Home / 11,728.68-17,595.60-3,937.32

Finding the Fourth Proportional to 11,728.68, 17,595.60 and 3,937.32

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Solution

The fourth proportional to 11,728.68, 17,595.60 and 3,937.32 is: 5,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.68 : 17,595.60 = 3,937.32 : x
  2. Step 2: Convert to fraction form
    11,728.68/17,595.60 = 3,937.32/x
  3. Step 3: Cross multiply
    11,728.68x = 17,595.60 × 3,937.32
  4. Step 4: Simplify right side
    11,728.68x = 69,279,507.79
  5. Step 5: Solve for x
    x = 69,279,507.79/11,728.68
  6. Step 6: Final answer
    x = 5,906.85

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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.