Home / 12,248.20-18,375.42-5,224.68

Finding the Fourth Proportional to 12,248.20, 18,375.42 and 5,224.68

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Solution

The fourth proportional to 12,248.20, 18,375.42 and 5,224.68 is: 7,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.20 : 18,375.42 = 5,224.68 : x
  2. Step 2: Convert to fraction form
    12,248.20/18,375.42 = 5,224.68/x
  3. Step 3: Cross multiply
    12,248.20x = 18,375.42 × 5,224.68
  4. Step 4: Simplify right side
    12,248.20x = 96,005,689.37
  5. Step 5: Solve for x
    x = 96,005,689.37/12,248.20
  6. Step 6: Final answer
    x = 7,838.35

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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.