Home / 11,852.10-17,778.14-3,531.90

Finding the Fourth Proportional to 11,852.10, 17,778.14 and 3,531.90

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Solution

The fourth proportional to 11,852.10, 17,778.14 and 3,531.90 is: 5,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.10 : 17,778.14 = 3,531.90 : x
  2. Step 2: Convert to fraction form
    11,852.10/17,778.14 = 3,531.90/x
  3. Step 3: Cross multiply
    11,852.10x = 17,778.14 × 3,531.90
  4. Step 4: Simplify right side
    11,852.10x = 62,790,608.25
  5. Step 5: Solve for x
    x = 62,790,608.25/11,852.10
  6. Step 6: Final answer
    x = 5,297.85

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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.