Home / 8,942.13-12,340.25-4,963.61

Finding the Fourth Proportional to 8,942.13, 12,340.25 and 4,963.61

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Solution

The fourth proportional to 8,942.13, 12,340.25 and 4,963.61 is: 6,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.13 : 12,340.25 = 4,963.61 : x
  2. Step 2: Convert to fraction form
    8,942.13/12,340.25 = 4,963.61/x
  3. Step 3: Cross multiply
    8,942.13x = 12,340.25 × 4,963.61
  4. Step 4: Simplify right side
    8,942.13x = 61,252,212.95
  5. Step 5: Solve for x
    x = 61,252,212.95/8,942.13
  6. Step 6: Final answer
    x = 6,849.85

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1.5x scale

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.