Home / 10,191.93-15,286.11-2,695.56

Finding the Fourth Proportional to 10,191.93, 15,286.11 and 2,695.56

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Solution

The fourth proportional to 10,191.93, 15,286.11 and 2,695.56 is: 4,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.93 : 15,286.11 = 2,695.56 : x
  2. Step 2: Convert to fraction form
    10,191.93/15,286.11 = 2,695.56/x
  3. Step 3: Cross multiply
    10,191.93x = 15,286.11 × 2,695.56
  4. Step 4: Simplify right side
    10,191.93x = 41,204,626.67
  5. Step 5: Solve for x
    x = 41,204,626.67/10,191.93
  6. Step 6: Final answer
    x = 4,042.87

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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.