Home / 12,166.44-16,772.04-10,480.56

Finding the Fourth Proportional to 12,166.44, 16,772.04 and 10,480.56

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Solution

The fourth proportional to 12,166.44, 16,772.04 and 10,480.56 is: 14,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.44 : 16,772.04 = 10,480.56 : x
  2. Step 2: Convert to fraction form
    12,166.44/16,772.04 = 10,480.56/x
  3. Step 3: Cross multiply
    12,166.44x = 16,772.04 × 10,480.56
  4. Step 4: Simplify right side
    12,166.44x = 175,780,371.54
  5. Step 5: Solve for x
    x = 175,780,371.54/12,166.44
  6. Step 6: Final answer
    x = 14,447.97

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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.