Learn to solve a proportion with the variable on the denominator 9/g = 15/11

What is the first step in solving a proportion using cross multiplication?

• Add the numerators and denominators.

• Multiply the means and extremes.

• Subtract the smaller number from the larger one.

• Divide the numerator by the denominator.

When the variable is in the denominator, what should you do first to solve the equation?

• Divide both sides by the variable.

• Subtract the variable from both sides.

• Multiply both sides by the variable.

• Add the variable to both sides.

What is the purpose of multiplying by the reciprocal in the alternative method?

• To add fractions together.

• To convert the fraction into a whole number.

• To eliminate the variable from the equation.

• To simplify the fraction.

Which method might students prefer for solving proportions?

• Graphical method.

• Using decimals.

• Adding fractions.

• Cross multiplication.

Why is it important to understand both methods of solving proportions?

• To avoid using any mathematical operations.

• To have multiple strategies for different types of problems.

• To solve only simple equations.

• To memorize all mathematical formulas.