Home / 12,240.27-16,891.71-6,651.27

Finding the Fourth Proportional to 12,240.27, 16,891.71 and 6,651.27

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Solution

The fourth proportional to 12,240.27, 16,891.71 and 6,651.27 is: 9,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.27 : 16,891.71 = 6,651.27 : x
  2. Step 2: Convert to fraction form
    12,240.27/16,891.71 = 6,651.27/x
  3. Step 3: Cross multiply
    12,240.27x = 16,891.71 × 6,651.27
  4. Step 4: Simplify right side
    12,240.27x = 112,351,323.97
  5. Step 5: Solve for x
    x = 112,351,323.97/12,240.27
  6. Step 6: Final answer
    x = 9,178.83

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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.