Home / 9,072.77-12,517.20-5,930.78

Finding the Fourth Proportional to 9,072.77, 12,517.20 and 5,930.78

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Solution

The fourth proportional to 9,072.77, 12,517.20 and 5,930.78 is: 8,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.77 : 12,517.20 = 5,930.78 : x
  2. Step 2: Convert to fraction form
    9,072.77/12,517.20 = 5,930.78/x
  3. Step 3: Cross multiply
    9,072.77x = 12,517.20 × 5,930.78
  4. Step 4: Simplify right side
    9,072.77x = 74,236,759.42
  5. Step 5: Solve for x
    x = 74,236,759.42/9,072.77
  6. Step 6: Final answer
    x = 8,182.37

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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.