Home / 10,749.38-16,119.92-4,174.70

Finding the Fourth Proportional to 10,749.38, 16,119.92 and 4,174.70

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Solution

The fourth proportional to 10,749.38, 16,119.92 and 4,174.70 is: 6,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.38 : 16,119.92 = 4,174.70 : x
  2. Step 2: Convert to fraction form
    10,749.38/16,119.92 = 4,174.70/x
  3. Step 3: Cross multiply
    10,749.38x = 16,119.92 × 4,174.70
  4. Step 4: Simplify right side
    10,749.38x = 67,295,759.86
  5. Step 5: Solve for x
    x = 67,295,759.86/10,749.38
  6. Step 6: Final answer
    x = 6,260.43

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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.