Home / 8,713.64-12,025.84-5,176.85

Finding the Fourth Proportional to 8,713.64, 12,025.84 and 5,176.85

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Solution

The fourth proportional to 8,713.64, 12,025.84 and 5,176.85 is: 7,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.64 : 12,025.84 = 5,176.85 : x
  2. Step 2: Convert to fraction form
    8,713.64/12,025.84 = 5,176.85/x
  3. Step 3: Cross multiply
    8,713.64x = 12,025.84 × 5,176.85
  4. Step 4: Simplify right side
    8,713.64x = 62,255,896.73
  5. Step 5: Solve for x
    x = 62,255,896.73/8,713.64
  6. Step 6: Final answer
    x = 7,144.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.