Home / 10,067.66-13,892.34-5,591.30

Finding the Fourth Proportional to 10,067.66, 13,892.34 and 5,591.30

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Solution

The fourth proportional to 10,067.66, 13,892.34 and 5,591.30 is: 7,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.66 : 13,892.34 = 5,591.30 : x
  2. Step 2: Convert to fraction form
    10,067.66/13,892.34 = 5,591.30/x
  3. Step 3: Cross multiply
    10,067.66x = 13,892.34 × 5,591.30
  4. Step 4: Simplify right side
    10,067.66x = 77,676,240.64
  5. Step 5: Solve for x
    x = 77,676,240.64/10,067.66
  6. Step 6: Final answer
    x = 7,715.42

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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.