Home / 10,937.62-16,402.96-3,540.32

Finding the Fourth Proportional to 10,937.62, 16,402.96 and 3,540.32

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Solution

The fourth proportional to 10,937.62, 16,402.96 and 3,540.32 is: 5,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.62 : 16,402.96 = 3,540.32 : x
  2. Step 2: Convert to fraction form
    10,937.62/16,402.96 = 3,540.32/x
  3. Step 3: Cross multiply
    10,937.62x = 16,402.96 × 3,540.32
  4. Step 4: Simplify right side
    10,937.62x = 58,071,714.42
  5. Step 5: Solve for x
    x = 58,071,714.42/10,937.62
  6. Step 6: Final answer
    x = 5,309.36

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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.