Home / 10,940.62-15,093.31-6,691.87

Finding the Fourth Proportional to 10,940.62, 15,093.31 and 6,691.87

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Solution

The fourth proportional to 10,940.62, 15,093.31 and 6,691.87 is: 9,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.62 : 15,093.31 = 6,691.87 : x
  2. Step 2: Convert to fraction form
    10,940.62/15,093.31 = 6,691.87/x
  3. Step 3: Cross multiply
    10,940.62x = 15,093.31 × 6,691.87
  4. Step 4: Simplify right side
    10,940.62x = 101,002,468.39
  5. Step 5: Solve for x
    x = 101,002,468.39/10,940.62
  6. Step 6: Final answer
    x = 9,231.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.