Home / 11,173.26-16,761.71-3,778.16

Finding the Fourth Proportional to 11,173.26, 16,761.71 and 3,778.16

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Solution

The fourth proportional to 11,173.26, 16,761.71 and 3,778.16 is: 5,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.26 : 16,761.71 = 3,778.16 : x
  2. Step 2: Convert to fraction form
    11,173.26/16,761.71 = 3,778.16/x
  3. Step 3: Cross multiply
    11,173.26x = 16,761.71 × 3,778.16
  4. Step 4: Simplify right side
    11,173.26x = 63,328,347.89
  5. Step 5: Solve for x
    x = 63,328,347.89/11,173.26
  6. Step 6: Final answer
    x = 5,667.85

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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.