Home / 12,329.28-17,016.48-7,025.76

Finding the Fourth Proportional to 12,329.28, 17,016.48 and 7,025.76

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Solution

The fourth proportional to 12,329.28, 17,016.48 and 7,025.76 is: 9,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.28 : 17,016.48 = 7,025.76 : x
  2. Step 2: Convert to fraction form
    12,329.28/17,016.48 = 7,025.76/x
  3. Step 3: Cross multiply
    12,329.28x = 17,016.48 × 7,025.76
  4. Step 4: Simplify right side
    12,329.28x = 119,553,704.52
  5. Step 5: Solve for x
    x = 119,553,704.52/12,329.28
  6. Step 6: Final answer
    x = 9,696.73

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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.