Home / 10,431.17-15,644.89-2,932.93

Finding the Fourth Proportional to 10,431.17, 15,644.89 and 2,932.93

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Solution

The fourth proportional to 10,431.17, 15,644.89 and 2,932.93 is: 4,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.17 : 15,644.89 = 2,932.93 : x
  2. Step 2: Convert to fraction form
    10,431.17/15,644.89 = 2,932.93/x
  3. Step 3: Cross multiply
    10,431.17x = 15,644.89 × 2,932.93
  4. Step 4: Simplify right side
    10,431.17x = 45,885,379.45
  5. Step 5: Solve for x
    x = 45,885,379.45/10,431.17
  6. Step 6: Final answer
    x = 4,398.87

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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.