Home / 10,508.52-15,763.79-3,487.04

Finding the Fourth Proportional to 10,508.52, 15,763.79 and 3,487.04

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Solution

The fourth proportional to 10,508.52, 15,763.79 and 3,487.04 is: 5,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.52 : 15,763.79 = 3,487.04 : x
  2. Step 2: Convert to fraction form
    10,508.52/15,763.79 = 3,487.04/x
  3. Step 3: Cross multiply
    10,508.52x = 15,763.79 × 3,487.04
  4. Step 4: Simplify right side
    10,508.52x = 54,968,966.28
  5. Step 5: Solve for x
    x = 54,968,966.28/10,508.52
  6. Step 6: Final answer
    x = 5,230.90

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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.