Home / 12,932.16-17,845.20-7,265.60

Finding the Fourth Proportional to 12,932.16, 17,845.20 and 7,265.60

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Solution

The fourth proportional to 12,932.16, 17,845.20 and 7,265.60 is: 10,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.16 : 17,845.20 = 7,265.60 : x
  2. Step 2: Convert to fraction form
    12,932.16/17,845.20 = 7,265.60/x
  3. Step 3: Cross multiply
    12,932.16x = 17,845.20 × 7,265.60
  4. Step 4: Simplify right side
    12,932.16x = 129,656,085.12
  5. Step 5: Solve for x
    x = 129,656,085.12/12,932.16
  6. Step 6: Final answer
    x = 10,025.86

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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.