Home / 10,067.85-13,893.15-5,591.88

Finding the Fourth Proportional to 10,067.85, 13,893.15 and 5,591.88

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Solution

The fourth proportional to 10,067.85, 13,893.15 and 5,591.88 is: 7,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.85 : 13,893.15 = 5,591.88 : x
  2. Step 2: Convert to fraction form
    10,067.85/13,893.15 = 5,591.88/x
  3. Step 3: Cross multiply
    10,067.85x = 13,893.15 × 5,591.88
  4. Step 4: Simplify right side
    10,067.85x = 77,688,827.62
  5. Step 5: Solve for x
    x = 77,688,827.62/10,067.85
  6. Step 6: Final answer
    x = 7,716.53

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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.