Home / 10,771.48-16,157.42-3,375.78

Finding the Fourth Proportional to 10,771.48, 16,157.42 and 3,375.78

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Solution

The fourth proportional to 10,771.48, 16,157.42 and 3,375.78 is: 5,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.48 : 16,157.42 = 3,375.78 : x
  2. Step 2: Convert to fraction form
    10,771.48/16,157.42 = 3,375.78/x
  3. Step 3: Cross multiply
    10,771.48x = 16,157.42 × 3,375.78
  4. Step 4: Simplify right side
    10,771.48x = 54,543,895.29
  5. Step 5: Solve for x
    x = 54,543,895.29/10,771.48
  6. Step 6: Final answer
    x = 5,063.73

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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.