Home / 11,441.66-17,079.61-9,891.62

Finding the Fourth Proportional to 11,441.66, 17,079.61 and 9,891.62

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Solution

The fourth proportional to 11,441.66, 17,079.61 and 9,891.62 is: 14,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.66 : 17,079.61 = 9,891.62 : x
  2. Step 2: Convert to fraction form
    11,441.66/17,079.61 = 9,891.62/x
  3. Step 3: Cross multiply
    11,441.66x = 17,079.61 × 9,891.62
  4. Step 4: Simplify right side
    11,441.66x = 168,944,984.34
  5. Step 5: Solve for x
    x = 168,944,984.34/11,441.66
  6. Step 6: Final answer
    x = 14,765.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.