Home / 11,049.44-16,560.12-5,198

Finding the Fourth Proportional to 11,049.44, 16,560.12 and 5,198

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Solution

The fourth proportional to 11,049.44, 16,560.12 and 5,198 is: 7,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.44 : 16,560.12 = 5,198 : x
  2. Step 2: Convert to fraction form
    11,049.44/16,560.12 = 5,198/x
  3. Step 3: Cross multiply
    11,049.44x = 16,560.12 × 5,198
  4. Step 4: Simplify right side
    11,049.44x = 86,079,503.76
  5. Step 5: Solve for x
    x = 86,079,503.76/11,049.44
  6. Step 6: Final answer
    x = 7,790.40

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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.