Home / 8,180.46-12,272.52-3,250.32

Finding the Fourth Proportional to 8,180.46, 12,272.52 and 3,250.32

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Solution

The fourth proportional to 8,180.46, 12,272.52 and 3,250.32 is: 4,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.46 : 12,272.52 = 3,250.32 : x
  2. Step 2: Convert to fraction form
    8,180.46/12,272.52 = 3,250.32/x
  3. Step 3: Cross multiply
    8,180.46x = 12,272.52 × 3,250.32
  4. Step 4: Simplify right side
    8,180.46x = 39,889,617.21
  5. Step 5: Solve for x
    x = 39,889,617.21/8,180.46
  6. Step 6: Final answer
    x = 4,876.21

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1.5x scale

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.