Home / 8,942.60-12,340.74-4,963.71

Finding the Fourth Proportional to 8,942.60, 12,340.74 and 4,963.71

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Solution

The fourth proportional to 8,942.60, 12,340.74 and 4,963.71 is: 6,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.60 : 12,340.74 = 4,963.71 : x
  2. Step 2: Convert to fraction form
    8,942.60/12,340.74 = 4,963.71/x
  3. Step 3: Cross multiply
    8,942.60x = 12,340.74 × 4,963.71
  4. Step 4: Simplify right side
    8,942.60x = 61,255,854.55
  5. Step 5: Solve for x
    x = 61,255,854.55/8,942.60
  6. Step 6: Final answer
    x = 6,849.90

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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.