Home / 11,247.68-16,871.72-2,927.20

Finding the Fourth Proportional to 11,247.68, 16,871.72 and 2,927.20

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Solution

The fourth proportional to 11,247.68, 16,871.72 and 2,927.20 is: 4,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.68 : 16,871.72 = 2,927.20 : x
  2. Step 2: Convert to fraction form
    11,247.68/16,871.72 = 2,927.20/x
  3. Step 3: Cross multiply
    11,247.68x = 16,871.72 × 2,927.20
  4. Step 4: Simplify right side
    11,247.68x = 49,386,898.78
  5. Step 5: Solve for x
    x = 49,386,898.78/11,247.68
  6. Step 6: Final answer
    x = 4,390.85

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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.