Home / 8,418.20-12,627.43-5,966.33

Finding the Fourth Proportional to 8,418.20, 12,627.43 and 5,966.33

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Solution

The fourth proportional to 8,418.20, 12,627.43 and 5,966.33 is: 8,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.20 : 12,627.43 = 5,966.33 : x
  2. Step 2: Convert to fraction form
    8,418.20/12,627.43 = 5,966.33/x
  3. Step 3: Cross multiply
    8,418.20x = 12,627.43 × 5,966.33
  4. Step 4: Simplify right side
    8,418.20x = 75,339,336.38
  5. Step 5: Solve for x
    x = 75,339,336.38/8,418.20
  6. Step 6: Final answer
    x = 8,949.58

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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.