Home / 10,137.38-15,204.92-2,741.40

Finding the Fourth Proportional to 10,137.38, 15,204.92 and 2,741.40

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Solution

The fourth proportional to 10,137.38, 15,204.92 and 2,741.40 is: 4,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.38 : 15,204.92 = 2,741.40 : x
  2. Step 2: Convert to fraction form
    10,137.38/15,204.92 = 2,741.40/x
  3. Step 3: Cross multiply
    10,137.38x = 15,204.92 × 2,741.40
  4. Step 4: Simplify right side
    10,137.38x = 41,682,753.98
  5. Step 5: Solve for x
    x = 41,682,753.98/10,137.38
  6. Step 6: Final answer
    x = 4,111.79

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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.