Home / 10,429.38-15,644.07-3,508.74

Finding the Fourth Proportional to 10,429.38, 15,644.07 and 3,508.74

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Solution

The fourth proportional to 10,429.38, 15,644.07 and 3,508.74 is: 5,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.38 : 15,644.07 = 3,508.74 : x
  2. Step 2: Convert to fraction form
    10,429.38/15,644.07 = 3,508.74/x
  3. Step 3: Cross multiply
    10,429.38x = 15,644.07 × 3,508.74
  4. Step 4: Simplify right side
    10,429.38x = 54,890,974.17
  5. Step 5: Solve for x
    x = 54,890,974.17/10,429.38
  6. Step 6: Final answer
    x = 5,263.11

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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.