Home / 12,247.38-18,374.49-5,227.74

Finding the Fourth Proportional to 12,247.38, 18,374.49 and 5,227.74

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Solution

The fourth proportional to 12,247.38, 18,374.49 and 5,227.74 is: 7,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.38 : 18,374.49 = 5,227.74 : x
  2. Step 2: Convert to fraction form
    12,247.38/18,374.49 = 5,227.74/x
  3. Step 3: Cross multiply
    12,247.38x = 18,374.49 × 5,227.74
  4. Step 4: Simplify right side
    12,247.38x = 96,057,056.35
  5. Step 5: Solve for x
    x = 96,057,056.35/12,247.38
  6. Step 6: Final answer
    x = 7,843.07

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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.