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Definitions from the Web

Cross Multiplication

Definition: Cross multiplication is a mathematical technique used to solve proportions or equations involving fractions.

Usage Examples:

As a Noun:

1. When solving for an unknown variable in a proportion, cross multiplication can help determine its value. For instance, in the equation 3/4 = x/12, cross multiplication yields the value of x as 9.

As a Verb:

2. Once the equation is set up, you need to cross multiply to find the solution.
3. Cross multiplying the fractions enabled us to find out if they were equivalent or not.

Possible Related Products on Amazon:

• Mathematical Proportions Books
• Fraction Calculators
• Algebra Workbooks