Home / 8,517.97-12,777.67-2,674.58

Finding the Fourth Proportional to 8,517.97, 12,777.67 and 2,674.58

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Solution

The fourth proportional to 8,517.97, 12,777.67 and 2,674.58 is: 4,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.97 : 12,777.67 = 2,674.58 : x
  2. Step 2: Convert to fraction form
    8,517.97/12,777.67 = 2,674.58/x
  3. Step 3: Cross multiply
    8,517.97x = 12,777.67 × 2,674.58
  4. Step 4: Simplify right side
    8,517.97x = 34,174,935.92
  5. Step 5: Solve for x
    x = 34,174,935.92/8,517.97
  6. Step 6: Final answer
    x = 4,012.10

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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.