Home / 8,252.52-12,380.32-2,706.20

Finding the Fourth Proportional to 8,252.52, 12,380.32 and 2,706.20

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Solution

The fourth proportional to 8,252.52, 12,380.32 and 2,706.20 is: 4,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.52 : 12,380.32 = 2,706.20 : x
  2. Step 2: Convert to fraction form
    8,252.52/12,380.32 = 2,706.20/x
  3. Step 3: Cross multiply
    8,252.52x = 12,380.32 × 2,706.20
  4. Step 4: Simplify right side
    8,252.52x = 33,503,621.98
  5. Step 5: Solve for x
    x = 33,503,621.98/8,252.52
  6. Step 6: Final answer
    x = 4,059.81

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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.