Home / 11,234.71-16,862.41-5,691.92

Finding the Fourth Proportional to 11,234.71, 16,862.41 and 5,691.92

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Solution

The fourth proportional to 11,234.71, 16,862.41 and 5,691.92 is: 8,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.71 : 16,862.41 = 5,691.92 : x
  2. Step 2: Convert to fraction form
    11,234.71/16,862.41 = 5,691.92/x
  3. Step 3: Cross multiply
    11,234.71x = 16,862.41 × 5,691.92
  4. Step 4: Simplify right side
    11,234.71x = 95,979,488.73
  5. Step 5: Solve for x
    x = 95,979,488.73/11,234.71
  6. Step 6: Final answer
    x = 8,543.12

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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.