Home / 8,222.04-12,337.92-3,031.56

Finding the Fourth Proportional to 8,222.04, 12,337.92 and 3,031.56

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Solution

The fourth proportional to 8,222.04, 12,337.92 and 3,031.56 is: 4,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.04 : 12,337.92 = 3,031.56 : x
  2. Step 2: Convert to fraction form
    8,222.04/12,337.92 = 3,031.56/x
  3. Step 3: Cross multiply
    8,222.04x = 12,337.92 × 3,031.56
  4. Step 4: Simplify right side
    8,222.04x = 37,403,067.91
  5. Step 5: Solve for x
    x = 37,403,067.91/8,222.04
  6. Step 6: Final answer
    x = 4,549.13

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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.