Home / 8,942.48-12,340.39-4,963.49

Finding the Fourth Proportional to 8,942.48, 12,340.39 and 4,963.49

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Solution

The fourth proportional to 8,942.48, 12,340.39 and 4,963.49 is: 6,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.48 : 12,340.39 = 4,963.49 : x
  2. Step 2: Convert to fraction form
    8,942.48/12,340.39 = 4,963.49/x
  3. Step 3: Cross multiply
    8,942.48x = 12,340.39 × 4,963.49
  4. Step 4: Simplify right side
    8,942.48x = 61,251,377.54
  5. Step 5: Solve for x
    x = 61,251,377.54/8,942.48
  6. Step 6: Final answer
    x = 6,849.48

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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.