Home / 11,247.92-16,871.88-3,456.80

Finding the Fourth Proportional to 11,247.92, 16,871.88 and 3,456.80

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Solution

The fourth proportional to 11,247.92, 16,871.88 and 3,456.80 is: 5,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.92 : 16,871.88 = 3,456.80 : x
  2. Step 2: Convert to fraction form
    11,247.92/16,871.88 = 3,456.80/x
  3. Step 3: Cross multiply
    11,247.92x = 16,871.88 × 3,456.80
  4. Step 4: Simplify right side
    11,247.92x = 58,322,714.78
  5. Step 5: Solve for x
    x = 58,322,714.78/11,247.92
  6. Step 6: Final answer
    x = 5,185.20

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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.