Home / 8,352.97-12,531.93-3,159.25

Finding the Fourth Proportional to 8,352.97, 12,531.93 and 3,159.25

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Solution

The fourth proportional to 8,352.97, 12,531.93 and 3,159.25 is: 4,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.97 : 12,531.93 = 3,159.25 : x
  2. Step 2: Convert to fraction form
    8,352.97/12,531.93 = 3,159.25/x
  3. Step 3: Cross multiply
    8,352.97x = 12,531.93 × 3,159.25
  4. Step 4: Simplify right side
    8,352.97x = 39,591,499.85
  5. Step 5: Solve for x
    x = 39,591,499.85/8,352.97
  6. Step 6: Final answer
    x = 4,739.81

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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.