Home / 8,672.27-12,997.06-3,481.79

Finding the Fourth Proportional to 8,672.27, 12,997.06 and 3,481.79

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Solution

The fourth proportional to 8,672.27, 12,997.06 and 3,481.79 is: 5,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.27 : 12,997.06 = 3,481.79 : x
  2. Step 2: Convert to fraction form
    8,672.27/12,997.06 = 3,481.79/x
  3. Step 3: Cross multiply
    8,672.27x = 12,997.06 × 3,481.79
  4. Step 4: Simplify right side
    8,672.27x = 45,252,959.85
  5. Step 5: Solve for x
    x = 45,252,959.85/8,672.27
  6. Step 6: Final answer
    x = 5,218.12

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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.