Home / 11,591.82-17,387.73-5,434.38

Finding the Fourth Proportional to 11,591.82, 17,387.73 and 5,434.38

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Solution

The fourth proportional to 11,591.82, 17,387.73 and 5,434.38 is: 8,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.82 : 17,387.73 = 5,434.38 : x
  2. Step 2: Convert to fraction form
    11,591.82/17,387.73 = 5,434.38/x
  3. Step 3: Cross multiply
    11,591.82x = 17,387.73 × 5,434.38
  4. Step 4: Simplify right side
    11,591.82x = 94,491,532.16
  5. Step 5: Solve for x
    x = 94,491,532.16/11,591.82
  6. Step 6: Final answer
    x = 8,151.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.