Home / 11,748.75-17,623.13-3,540.75

Finding the Fourth Proportional to 11,748.75, 17,623.13 and 3,540.75

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Solution

The fourth proportional to 11,748.75, 17,623.13 and 3,540.75 is: 5,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.75 : 17,623.13 = 3,540.75 : x
  2. Step 2: Convert to fraction form
    11,748.75/17,623.13 = 3,540.75/x
  3. Step 3: Cross multiply
    11,748.75x = 17,623.13 × 3,540.75
  4. Step 4: Simplify right side
    11,748.75x = 62,399,079.84
  5. Step 5: Solve for x
    x = 62,399,079.84/11,748.75
  6. Step 6: Final answer
    x = 5,311.13

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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.