Home / 12,732.80-17,571.23-7,067.61

Finding the Fourth Proportional to 12,732.80, 17,571.23 and 7,067.61

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Solution

The fourth proportional to 12,732.80, 17,571.23 and 7,067.61 is: 9,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.80 : 17,571.23 = 7,067.61 : x
  2. Step 2: Convert to fraction form
    12,732.80/17,571.23 = 7,067.61/x
  3. Step 3: Cross multiply
    12,732.80x = 17,571.23 × 7,067.61
  4. Step 4: Simplify right side
    12,732.80x = 124,186,592.03
  5. Step 5: Solve for x
    x = 124,186,592.03/12,732.80
  6. Step 6: Final answer
    x = 9,753.29

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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.