Home / 8,824.97-12,178.41-4,791.71

Finding the Fourth Proportional to 8,824.97, 12,178.41 and 4,791.71

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Solution

The fourth proportional to 8,824.97, 12,178.41 and 4,791.71 is: 6,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.97 : 12,178.41 = 4,791.71 : x
  2. Step 2: Convert to fraction form
    8,824.97/12,178.41 = 4,791.71/x
  3. Step 3: Cross multiply
    8,824.97x = 12,178.41 × 4,791.71
  4. Step 4: Simplify right side
    8,824.97x = 58,355,408.98
  5. Step 5: Solve for x
    x = 58,355,408.98/8,824.97
  6. Step 6: Final answer
    x = 6,612.53

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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.