Home / 10,162.92-15,243.66-3,498.78

Finding the Fourth Proportional to 10,162.92, 15,243.66 and 3,498.78

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Solution

The fourth proportional to 10,162.92, 15,243.66 and 3,498.78 is: 5,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.92 : 15,243.66 = 3,498.78 : x
  2. Step 2: Convert to fraction form
    10,162.92/15,243.66 = 3,498.78/x
  3. Step 3: Cross multiply
    10,162.92x = 15,243.66 × 3,498.78
  4. Step 4: Simplify right side
    10,162.92x = 53,334,212.73
  5. Step 5: Solve for x
    x = 53,334,212.73/10,162.92
  6. Step 6: Final answer
    x = 5,247.92

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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.