Home / 8,255.76-12,382.24-2,708.96

Finding the Fourth Proportional to 8,255.76, 12,382.24 and 2,708.96

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Solution

The fourth proportional to 8,255.76, 12,382.24 and 2,708.96 is: 4,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.76 : 12,382.24 = 2,708.96 : x
  2. Step 2: Convert to fraction form
    8,255.76/12,382.24 = 2,708.96/x
  3. Step 3: Cross multiply
    8,255.76x = 12,382.24 × 2,708.96
  4. Step 4: Simplify right side
    8,255.76x = 33,542,992.87
  5. Step 5: Solve for x
    x = 33,542,992.87/8,255.76
  6. Step 6: Final answer
    x = 4,062.98

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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.