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Finding the Fourth Proportional to 8,610.08, 11,882.04 and 8,312.10

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Solution

The fourth proportional to 8,610.08, 11,882.04 and 8,312.10 is: 11,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.08 : 11,882.04 = 8,312.10 : x
  2. Step 2: Convert to fraction form
    8,610.08/11,882.04 = 8,312.10/x
  3. Step 3: Cross multiply
    8,610.08x = 11,882.04 × 8,312.10
  4. Step 4: Simplify right side
    8,610.08x = 98,764,704.68
  5. Step 5: Solve for x
    x = 98,764,704.68/8,610.08
  6. Step 6: Final answer
    x = 11,470.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.