Home / 11,316.12-16,965.96-7,609.14

Finding the Fourth Proportional to 11,316.12, 16,965.96 and 7,609.14

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Solution

The fourth proportional to 11,316.12, 16,965.96 and 7,609.14 is: 11,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.12 : 16,965.96 = 7,609.14 : x
  2. Step 2: Convert to fraction form
    11,316.12/16,965.96 = 7,609.14/x
  3. Step 3: Cross multiply
    11,316.12x = 16,965.96 × 7,609.14
  4. Step 4: Simplify right side
    11,316.12x = 129,096,364.87
  5. Step 5: Solve for x
    x = 129,096,364.87/11,316.12
  6. Step 6: Final answer
    x = 11,408.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.