Home / 10,765.27-16,147.90-2,974.08

Finding the Fourth Proportional to 10,765.27, 16,147.90 and 2,974.08

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Solution

The fourth proportional to 10,765.27, 16,147.90 and 2,974.08 is: 4,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.27 : 16,147.90 = 2,974.08 : x
  2. Step 2: Convert to fraction form
    10,765.27/16,147.90 = 2,974.08/x
  3. Step 3: Cross multiply
    10,765.27x = 16,147.90 × 2,974.08
  4. Step 4: Simplify right side
    10,765.27x = 48,025,131.56
  5. Step 5: Solve for x
    x = 48,025,131.56/10,765.27
  6. Step 6: Final answer
    x = 4,461.12

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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.