Home / 10,872.97-16,304.87-3,475.44

Finding the Fourth Proportional to 10,872.97, 16,304.87 and 3,475.44

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Solution

The fourth proportional to 10,872.97, 16,304.87 and 3,475.44 is: 5,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.97 : 16,304.87 = 3,475.44 : x
  2. Step 2: Convert to fraction form
    10,872.97/16,304.87 = 3,475.44/x
  3. Step 3: Cross multiply
    10,872.97x = 16,304.87 × 3,475.44
  4. Step 4: Simplify right side
    10,872.97x = 56,666,606.08
  5. Step 5: Solve for x
    x = 56,666,606.08/10,872.97
  6. Step 6: Final answer
    x = 5,211.70

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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.