Home / 9,087.71-13,631.70-5,987.57

Finding the Fourth Proportional to 9,087.71, 13,631.70 and 5,987.57

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Solution

The fourth proportional to 9,087.71, 13,631.70 and 5,987.57 is: 8,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.71 : 13,631.70 = 5,987.57 : x
  2. Step 2: Convert to fraction form
    9,087.71/13,631.70 = 5,987.57/x
  3. Step 3: Cross multiply
    9,087.71x = 13,631.70 × 5,987.57
  4. Step 4: Simplify right side
    9,087.71x = 81,620,757.97
  5. Step 5: Solve for x
    x = 81,620,757.97/9,087.71
  6. Step 6: Final answer
    x = 8,981.44

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Similar ratio
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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.