Home / 12,553.45-17,324.30-7,516.71

Finding the Fourth Proportional to 12,553.45, 17,324.30 and 7,516.71

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Solution

The fourth proportional to 12,553.45, 17,324.30 and 7,516.71 is: 10,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.45 : 17,324.30 = 7,516.71 : x
  2. Step 2: Convert to fraction form
    12,553.45/17,324.30 = 7,516.71/x
  3. Step 3: Cross multiply
    12,553.45x = 17,324.30 × 7,516.71
  4. Step 4: Simplify right side
    12,553.45x = 130,221,709.12
  5. Step 5: Solve for x
    x = 130,221,709.12/12,553.45
  6. Step 6: Final answer
    x = 10,373.38

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Half scale
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Double scale
Find fourth proportional to 12,554.45, 17,325.68 and 7,517.71
Similar ratio
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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.