Home / 12,132.68-16,743.15-7,351.04

Finding the Fourth Proportional to 12,132.68, 16,743.15 and 7,351.04

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Solution

The fourth proportional to 12,132.68, 16,743.15 and 7,351.04 is: 10,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.68 : 16,743.15 = 7,351.04 : x
  2. Step 2: Convert to fraction form
    12,132.68/16,743.15 = 7,351.04/x
  3. Step 3: Cross multiply
    12,132.68x = 16,743.15 × 7,351.04
  4. Step 4: Simplify right side
    12,132.68x = 123,079,481.66
  5. Step 5: Solve for x
    x = 123,079,481.66/12,132.68
  6. Step 6: Final answer
    x = 10,144.46

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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.