Home / 11,591.97-15,996.38-6,286.68

Finding the Fourth Proportional to 11,591.97, 15,996.38 and 6,286.68

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Solution

The fourth proportional to 11,591.97, 15,996.38 and 6,286.68 is: 8,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.97 : 15,996.38 = 6,286.68 : x
  2. Step 2: Convert to fraction form
    11,591.97/15,996.38 = 6,286.68/x
  3. Step 3: Cross multiply
    11,591.97x = 15,996.38 × 6,286.68
  4. Step 4: Simplify right side
    11,591.97x = 100,564,090.79
  5. Step 5: Solve for x
    x = 100,564,090.79/11,591.97
  6. Step 6: Final answer
    x = 8,675.32

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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.