Home / 11,174.07-16,761.18-3,778.57

Finding the Fourth Proportional to 11,174.07, 16,761.18 and 3,778.57

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Solution

The fourth proportional to 11,174.07, 16,761.18 and 3,778.57 is: 5,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.07 : 16,761.18 = 3,778.57 : x
  2. Step 2: Convert to fraction form
    11,174.07/16,761.18 = 3,778.57/x
  3. Step 3: Cross multiply
    11,174.07x = 16,761.18 × 3,778.57
  4. Step 4: Simplify right side
    11,174.07x = 63,333,291.91
  5. Step 5: Solve for x
    x = 63,333,291.91/11,174.07
  6. Step 6: Final answer
    x = 5,667.88

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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.