Home / 9,074.80-12,519.96-5,932.78

Finding the Fourth Proportional to 9,074.80, 12,519.96 and 5,932.78

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Solution

The fourth proportional to 9,074.80, 12,519.96 and 5,932.78 is: 8,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.80 : 12,519.96 = 5,932.78 : x
  2. Step 2: Convert to fraction form
    9,074.80/12,519.96 = 5,932.78/x
  3. Step 3: Cross multiply
    9,074.80x = 12,519.96 × 5,932.78
  4. Step 4: Simplify right side
    9,074.80x = 74,278,168.29
  5. Step 5: Solve for x
    x = 74,278,168.29/9,074.80
  6. Step 6: Final answer
    x = 8,185.10

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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.