Home / 9,287.72-13,932.05-2,714.43

Finding the Fourth Proportional to 9,287.72, 13,932.05 and 2,714.43

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Solution

The fourth proportional to 9,287.72, 13,932.05 and 2,714.43 is: 4,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.72 : 13,932.05 = 2,714.43 : x
  2. Step 2: Convert to fraction form
    9,287.72/13,932.05 = 2,714.43/x
  3. Step 3: Cross multiply
    9,287.72x = 13,932.05 × 2,714.43
  4. Step 4: Simplify right side
    9,287.72x = 37,817,560.91
  5. Step 5: Solve for x
    x = 37,817,560.91/9,287.72
  6. Step 6: Final answer
    x = 4,071.78

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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.