Home / 11,749.38-17,625.11-3,315.96

Finding the Fourth Proportional to 11,749.38, 17,625.11 and 3,315.96

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Solution

The fourth proportional to 11,749.38, 17,625.11 and 3,315.96 is: 4,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.38 : 17,625.11 = 3,315.96 : x
  2. Step 2: Convert to fraction form
    11,749.38/17,625.11 = 3,315.96/x
  3. Step 3: Cross multiply
    11,749.38x = 17,625.11 × 3,315.96
  4. Step 4: Simplify right side
    11,749.38x = 58,444,118.39
  5. Step 5: Solve for x
    x = 58,444,118.39/11,749.38
  6. Step 6: Final answer
    x = 4,974.23

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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.