Home / 12,541.17-17,307-7,505.61

Finding the Fourth Proportional to 12,541.17, 17,307 and 7,505.61

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Solution

The fourth proportional to 12,541.17, 17,307 and 7,505.61 is: 10,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.17 : 17,307 = 7,505.61 : x
  2. Step 2: Convert to fraction form
    12,541.17/17,307 = 7,505.61/x
  3. Step 3: Cross multiply
    12,541.17x = 17,307 × 7,505.61
  4. Step 4: Simplify right side
    12,541.17x = 129,899,592.27
  5. Step 5: Solve for x
    x = 129,899,592.27/12,541.17
  6. Step 6: Final answer
    x = 10,357.85

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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.