Home / 11,443.72-17,162.78-3,650.92

Finding the Fourth Proportional to 11,443.72, 17,162.78 and 3,650.92

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Solution

The fourth proportional to 11,443.72, 17,162.78 and 3,650.92 is: 5,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.72 : 17,162.78 = 3,650.92 : x
  2. Step 2: Convert to fraction form
    11,443.72/17,162.78 = 3,650.92/x
  3. Step 3: Cross multiply
    11,443.72x = 17,162.78 × 3,650.92
  4. Step 4: Simplify right side
    11,443.72x = 62,659,936.76
  5. Step 5: Solve for x
    x = 62,659,936.76/11,443.72
  6. Step 6: Final answer
    x = 5,475.49

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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.