Home / 11,835.75-17,754.68-3,402.30

Finding the Fourth Proportional to 11,835.75, 17,754.68 and 3,402.30

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Solution

The fourth proportional to 11,835.75, 17,754.68 and 3,402.30 is: 5,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.75 : 17,754.68 = 3,402.30 : x
  2. Step 2: Convert to fraction form
    11,835.75/17,754.68 = 3,402.30/x
  3. Step 3: Cross multiply
    11,835.75x = 17,754.68 × 3,402.30
  4. Step 4: Simplify right side
    11,835.75x = 60,406,747.76
  5. Step 5: Solve for x
    x = 60,406,747.76/11,835.75
  6. Step 6: Final answer
    x = 5,103.75

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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.