Home / 8,286.02-12,425.31-2,440.58

Finding the Fourth Proportional to 8,286.02, 12,425.31 and 2,440.58

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Solution

The fourth proportional to 8,286.02, 12,425.31 and 2,440.58 is: 3,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.02 : 12,425.31 = 2,440.58 : x
  2. Step 2: Convert to fraction form
    8,286.02/12,425.31 = 2,440.58/x
  3. Step 3: Cross multiply
    8,286.02x = 12,425.31 × 2,440.58
  4. Step 4: Simplify right side
    8,286.02x = 30,324,963.08
  5. Step 5: Solve for x
    x = 30,324,963.08/8,286.02
  6. Step 6: Final answer
    x = 3,659.77

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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.