Home / 10,168.92-15,238.26-8,332.92

Finding the Fourth Proportional to 10,168.92, 15,238.26 and 8,332.92

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Solution

The fourth proportional to 10,168.92, 15,238.26 and 8,332.92 is: 12,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.92 : 15,238.26 = 8,332.92 : x
  2. Step 2: Convert to fraction form
    10,168.92/15,238.26 = 8,332.92/x
  3. Step 3: Cross multiply
    10,168.92x = 15,238.26 × 8,332.92
  4. Step 4: Simplify right side
    10,168.92x = 126,979,201.52
  5. Step 5: Solve for x
    x = 126,979,201.52/10,168.92
  6. Step 6: Final answer
    x = 12,486.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.