Home / 9,516.88-13,134.59-7,251.23

Finding the Fourth Proportional to 9,516.88, 13,134.59 and 7,251.23

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Solution

The fourth proportional to 9,516.88, 13,134.59 and 7,251.23 is: 10,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.88 : 13,134.59 = 7,251.23 : x
  2. Step 2: Convert to fraction form
    9,516.88/13,134.59 = 7,251.23/x
  3. Step 3: Cross multiply
    9,516.88x = 13,134.59 × 7,251.23
  4. Step 4: Simplify right side
    9,516.88x = 95,241,933.05
  5. Step 5: Solve for x
    x = 95,241,933.05/9,516.88
  6. Step 6: Final answer
    x = 10,007.68

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Double scale
Find fourth proportional to 9,517.88, 13,135.97 and 7,252.23
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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.