Home / 12,055.20-18,082.49-3,734.88

Finding the Fourth Proportional to 12,055.20, 18,082.49 and 3,734.88

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Solution

The fourth proportional to 12,055.20, 18,082.49 and 3,734.88 is: 5,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.20 : 18,082.49 = 3,734.88 : x
  2. Step 2: Convert to fraction form
    12,055.20/18,082.49 = 3,734.88/x
  3. Step 3: Cross multiply
    12,055.20x = 18,082.49 × 3,734.88
  4. Step 4: Simplify right side
    12,055.20x = 67,535,911.58
  5. Step 5: Solve for x
    x = 67,535,911.58/12,055.20
  6. Step 6: Final answer
    x = 5,602.22

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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.