Home / 10,119.67-15,170.24-3,542.27

Finding the Fourth Proportional to 10,119.67, 15,170.24 and 3,542.27

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Solution

The fourth proportional to 10,119.67, 15,170.24 and 3,542.27 is: 5,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.67 : 15,170.24 = 3,542.27 : x
  2. Step 2: Convert to fraction form
    10,119.67/15,170.24 = 3,542.27/x
  3. Step 3: Cross multiply
    10,119.67x = 15,170.24 × 3,542.27
  4. Step 4: Simplify right side
    10,119.67x = 53,737,019.05
  5. Step 5: Solve for x
    x = 53,737,019.05/10,119.67
  6. Step 6: Final answer
    x = 5,310.16

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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.