-8 | |

9x |

> |

-61 |

81 |

If 2 proportions are equal:

we can cross multiply to get:

Numerator 1 Denominator 1

>

Numerator 2 Denominator 2 Numerator 1 * Denominator 2 > Denominator 1 * Numerator 2

Denominator 1 > | Numerator 1 * Denominator 2 |

Numerator 2 |

9x > | -8 * 81 |

-61 |

9x > | -648 |

-61 |

9x > 10.622950819672

Because we have an inequality and we are dividing by a positive number, we keep the same sign >

9x | |

9 |

> |

10.622950819672 |

9 |

x > **1.1803278688525**

x > **1.1803278688525**

Free Proportion Calculator - 1) Calculates the missing link of 2 equivalent proportions or ratios.

2) Also determines if two numerical proportions that you entered such as 1/10=6/12 are equivalent or*not* equivalent.
Note: You can use all allowable operators such as =,<,≤,>,≥

This calculator has 4 inputs.

2) Also determines if two numerical proportions that you entered such as 1/10=6/12 are equivalent or

This calculator has 4 inputs.

- equivalent
- equal in value, amount, function, meaning
- proportion
- n equation in which two ratios are set equal to each other

a/b = c/d - ratio
- indicates how many times one number contains another

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