Home / 8,934.38-13,401.57-6,120.44

Finding the Fourth Proportional to 8,934.38, 13,401.57 and 6,120.44

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Solution

The fourth proportional to 8,934.38, 13,401.57 and 6,120.44 is: 9,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.38 : 13,401.57 = 6,120.44 : x
  2. Step 2: Convert to fraction form
    8,934.38/13,401.57 = 6,120.44/x
  3. Step 3: Cross multiply
    8,934.38x = 13,401.57 × 6,120.44
  4. Step 4: Simplify right side
    8,934.38x = 82,023,407.48
  5. Step 5: Solve for x
    x = 82,023,407.48/8,934.38
  6. Step 6: Final answer
    x = 9,180.65

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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.