Home / 8,278.24-12,425.52-6,080.80

Finding the Fourth Proportional to 8,278.24, 12,425.52 and 6,080.80

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Solution

The fourth proportional to 8,278.24, 12,425.52 and 6,080.80 is: 9,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.24 : 12,425.52 = 6,080.80 : x
  2. Step 2: Convert to fraction form
    8,278.24/12,425.52 = 6,080.80/x
  3. Step 3: Cross multiply
    8,278.24x = 12,425.52 × 6,080.80
  4. Step 4: Simplify right side
    8,278.24x = 75,557,102.02
  5. Step 5: Solve for x
    x = 75,557,102.02/8,278.24
  6. Step 6: Final answer
    x = 9,127.19

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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.