Home / 11,159.30-16,727.27-3,761.20

Finding the Fourth Proportional to 11,159.30, 16,727.27 and 3,761.20

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Solution

The fourth proportional to 11,159.30, 16,727.27 and 3,761.20 is: 5,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.30 : 16,727.27 = 3,761.20 : x
  2. Step 2: Convert to fraction form
    11,159.30/16,727.27 = 3,761.20/x
  3. Step 3: Cross multiply
    11,159.30x = 16,727.27 × 3,761.20
  4. Step 4: Simplify right side
    11,159.30x = 62,914,607.92
  5. Step 5: Solve for x
    x = 62,914,607.92/11,159.30
  6. Step 6: Final answer
    x = 5,637.86

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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.