Home / 8,251.97-11,387.72-4,475.09

Finding the Fourth Proportional to 8,251.97, 11,387.72 and 4,475.09

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Solution

The fourth proportional to 8,251.97, 11,387.72 and 4,475.09 is: 6,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.97 : 11,387.72 = 4,475.09 : x
  2. Step 2: Convert to fraction form
    8,251.97/11,387.72 = 4,475.09/x
  3. Step 3: Cross multiply
    8,251.97x = 11,387.72 × 4,475.09
  4. Step 4: Simplify right side
    8,251.97x = 50,961,111.55
  5. Step 5: Solve for x
    x = 50,961,111.55/8,251.97
  6. Step 6: Final answer
    x = 6,175.63

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1.5x scale

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.