Home / 12,072.24-16,660.71-6,767.55

Finding the Fourth Proportional to 12,072.24, 16,660.71 and 6,767.55

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Solution

The fourth proportional to 12,072.24, 16,660.71 and 6,767.55 is: 9,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.24 : 16,660.71 = 6,767.55 : x
  2. Step 2: Convert to fraction form
    12,072.24/16,660.71 = 6,767.55/x
  3. Step 3: Cross multiply
    12,072.24x = 16,660.71 × 6,767.55
  4. Step 4: Simplify right side
    12,072.24x = 112,752,187.96
  5. Step 5: Solve for x
    x = 112,752,187.96/12,072.24
  6. Step 6: Final answer
    x = 9,339.79

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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.