Home / 10,734.38-16,082.79-7,449.56

Finding the Fourth Proportional to 10,734.38, 16,082.79 and 7,449.56

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Solution

The fourth proportional to 10,734.38, 16,082.79 and 7,449.56 is: 11,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,734.38 : 16,082.79 = 7,449.56 : x
  2. Step 2: Convert to fraction form
    10,734.38/16,082.79 = 7,449.56/x
  3. Step 3: Cross multiply
    10,734.38x = 16,082.79 × 7,449.56
  4. Step 4: Simplify right side
    10,734.38x = 119,809,628.66
  5. Step 5: Solve for x
    x = 119,809,628.66/10,734.38
  6. Step 6: Final answer
    x = 11,161.30

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1.5x scale

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.