Home / 11,163.38-16,811.92-10,166.92

Finding the Fourth Proportional to 11,163.38, 16,811.92 and 10,166.92

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Solution

The fourth proportional to 11,163.38, 16,811.92 and 10,166.92 is: 15,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.38 : 16,811.92 = 10,166.92 : x
  2. Step 2: Convert to fraction form
    11,163.38/16,811.92 = 10,166.92/x
  3. Step 3: Cross multiply
    11,163.38x = 16,811.92 × 10,166.92
  4. Step 4: Simplify right side
    11,163.38x = 170,925,445.69
  5. Step 5: Solve for x
    x = 170,925,445.69/11,163.38
  6. Step 6: Final answer
    x = 15,311.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.