Home / 11,757.18-17,644.04-5,517.39

Finding the Fourth Proportional to 11,757.18, 17,644.04 and 5,517.39

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Solution

The fourth proportional to 11,757.18, 17,644.04 and 5,517.39 is: 8,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.18 : 17,644.04 = 5,517.39 : x
  2. Step 2: Convert to fraction form
    11,757.18/17,644.04 = 5,517.39/x
  3. Step 3: Cross multiply
    11,757.18x = 17,644.04 × 5,517.39
  4. Step 4: Simplify right side
    11,757.18x = 97,349,067.26
  5. Step 5: Solve for x
    x = 97,349,067.26/11,757.18
  6. Step 6: Final answer
    x = 8,279.97

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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.