Home / 11,965.22-17,949.88-4,066.90

Finding the Fourth Proportional to 11,965.22, 17,949.88 and 4,066.90

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Solution

The fourth proportional to 11,965.22, 17,949.88 and 4,066.90 is: 6,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.22 : 17,949.88 = 4,066.90 : x
  2. Step 2: Convert to fraction form
    11,965.22/17,949.88 = 4,066.90/x
  3. Step 3: Cross multiply
    11,965.22x = 17,949.88 × 4,066.90
  4. Step 4: Simplify right side
    11,965.22x = 73,000,366.97
  5. Step 5: Solve for x
    x = 73,000,366.97/11,965.22
  6. Step 6: Final answer
    x = 6,101.05

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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.