Home / 11,127.49-16,691.19-4,553.68

Finding the Fourth Proportional to 11,127.49, 16,691.19 and 4,553.68

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Solution

The fourth proportional to 11,127.49, 16,691.19 and 4,553.68 is: 6,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.49 : 16,691.19 = 4,553.68 : x
  2. Step 2: Convert to fraction form
    11,127.49/16,691.19 = 4,553.68/x
  3. Step 3: Cross multiply
    11,127.49x = 16,691.19 × 4,553.68
  4. Step 4: Simplify right side
    11,127.49x = 76,006,279.27
  5. Step 5: Solve for x
    x = 76,006,279.27/11,127.49
  6. Step 6: Final answer
    x = 6,830.50

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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.