Home / 11,749.62-17,623.92-3,958.40

Finding the Fourth Proportional to 11,749.62, 17,623.92 and 3,958.40

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Solution

The fourth proportional to 11,749.62, 17,623.92 and 3,958.40 is: 5,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.62 : 17,623.92 = 3,958.40 : x
  2. Step 2: Convert to fraction form
    11,749.62/17,623.92 = 3,958.40/x
  3. Step 3: Cross multiply
    11,749.62x = 17,623.92 × 3,958.40
  4. Step 4: Simplify right side
    11,749.62x = 69,762,524.93
  5. Step 5: Solve for x
    x = 69,762,524.93/11,749.62
  6. Step 6: Final answer
    x = 5,937.43

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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.