Home / 11,159.57-16,727.68-3,761.47

Finding the Fourth Proportional to 11,159.57, 16,727.68 and 3,761.47

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Solution

The fourth proportional to 11,159.57, 16,727.68 and 3,761.47 is: 5,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.57 : 16,727.68 = 3,761.47 : x
  2. Step 2: Convert to fraction form
    11,159.57/16,727.68 = 3,761.47/x
  3. Step 3: Cross multiply
    11,159.57x = 16,727.68 × 3,761.47
  4. Step 4: Simplify right side
    11,159.57x = 62,920,666.49
  5. Step 5: Solve for x
    x = 62,920,666.49/11,159.57
  6. Step 6: Final answer
    x = 5,638.27

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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.