Home / 8,251.44-12,377.66-3,321.06

Finding the Fourth Proportional to 8,251.44, 12,377.66 and 3,321.06

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Solution

The fourth proportional to 8,251.44, 12,377.66 and 3,321.06 is: 4,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.44 : 12,377.66 = 3,321.06 : x
  2. Step 2: Convert to fraction form
    8,251.44/12,377.66 = 3,321.06/x
  3. Step 3: Cross multiply
    8,251.44x = 12,377.66 × 3,321.06
  4. Step 4: Simplify right side
    8,251.44x = 41,106,951.52
  5. Step 5: Solve for x
    x = 41,106,951.52/8,251.44
  6. Step 6: Final answer
    x = 4,981.79

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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.