Home / 11,175.80-16,765.52-3,382.79

Finding the Fourth Proportional to 11,175.80, 16,765.52 and 3,382.79

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Solution

The fourth proportional to 11,175.80, 16,765.52 and 3,382.79 is: 5,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.80 : 16,765.52 = 3,382.79 : x
  2. Step 2: Convert to fraction form
    11,175.80/16,765.52 = 3,382.79/x
  3. Step 3: Cross multiply
    11,175.80x = 16,765.52 × 3,382.79
  4. Step 4: Simplify right side
    11,175.80x = 56,714,132.66
  5. Step 5: Solve for x
    x = 56,714,132.66/11,175.80
  6. Step 6: Final answer
    x = 5,074.73

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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.