Home / 10,932.74-16,398.62-3,141.56

Finding the Fourth Proportional to 10,932.74, 16,398.62 and 3,141.56

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Solution

The fourth proportional to 10,932.74, 16,398.62 and 3,141.56 is: 4,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.74 : 16,398.62 = 3,141.56 : x
  2. Step 2: Convert to fraction form
    10,932.74/16,398.62 = 3,141.56/x
  3. Step 3: Cross multiply
    10,932.74x = 16,398.62 × 3,141.56
  4. Step 4: Simplify right side
    10,932.74x = 51,517,248.65
  5. Step 5: Solve for x
    x = 51,517,248.65/10,932.74
  6. Step 6: Final answer
    x = 4,712.20

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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.