Home / 11,861.87-17,801.97-4,473.05

Finding the Fourth Proportional to 11,861.87, 17,801.97 and 4,473.05

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Solution

The fourth proportional to 11,861.87, 17,801.97 and 4,473.05 is: 6,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.87 : 17,801.97 = 4,473.05 : x
  2. Step 2: Convert to fraction form
    11,861.87/17,801.97 = 4,473.05/x
  3. Step 3: Cross multiply
    11,861.87x = 17,801.97 × 4,473.05
  4. Step 4: Simplify right side
    11,861.87x = 79,629,012.90
  5. Step 5: Solve for x
    x = 79,629,012.90/11,861.87
  6. Step 6: Final answer
    x = 6,713.03

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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.