Home / 12,426.15-17,147.57-6,760.92

Finding the Fourth Proportional to 12,426.15, 17,147.57 and 6,760.92

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Solution

The fourth proportional to 12,426.15, 17,147.57 and 6,760.92 is: 9,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.15 : 17,147.57 = 6,760.92 : x
  2. Step 2: Convert to fraction form
    12,426.15/17,147.57 = 6,760.92/x
  3. Step 3: Cross multiply
    12,426.15x = 17,147.57 × 6,760.92
  4. Step 4: Simplify right side
    12,426.15x = 115,933,293.45
  5. Step 5: Solve for x
    x = 115,933,293.45/12,426.15
  6. Step 6: Final answer
    x = 9,329.79

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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.