Home / 8,531.15-11,772.96-4,993.66

Finding the Fourth Proportional to 8,531.15, 11,772.96 and 4,993.66

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Solution

The fourth proportional to 8,531.15, 11,772.96 and 4,993.66 is: 6,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.15 : 11,772.96 = 4,993.66 : x
  2. Step 2: Convert to fraction form
    8,531.15/11,772.96 = 4,993.66/x
  3. Step 3: Cross multiply
    8,531.15x = 11,772.96 × 4,993.66
  4. Step 4: Simplify right side
    8,531.15x = 58,790,100.57
  5. Step 5: Solve for x
    x = 58,790,100.57/8,531.15
  6. Step 6: Final answer
    x = 6,891.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.