Home / 10,080.68-13,909.20-5,887.04

Finding the Fourth Proportional to 10,080.68, 13,909.20 and 5,887.04

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Solution

The fourth proportional to 10,080.68, 13,909.20 and 5,887.04 is: 8,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.68 : 13,909.20 = 5,887.04 : x
  2. Step 2: Convert to fraction form
    10,080.68/13,909.20 = 5,887.04/x
  3. Step 3: Cross multiply
    10,080.68x = 13,909.20 × 5,887.04
  4. Step 4: Simplify right side
    10,080.68x = 81,884,016.77
  5. Step 5: Solve for x
    x = 81,884,016.77/10,080.68
  6. Step 6: Final answer
    x = 8,122.87

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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.