Home / 10,748.92-16,129.73-4,091.03

Finding the Fourth Proportional to 10,748.92, 16,129.73 and 4,091.03

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Solution

The fourth proportional to 10,748.92, 16,129.73 and 4,091.03 is: 6,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.92 : 16,129.73 = 4,091.03 : x
  2. Step 2: Convert to fraction form
    10,748.92/16,129.73 = 4,091.03/x
  3. Step 3: Cross multiply
    10,748.92x = 16,129.73 × 4,091.03
  4. Step 4: Simplify right side
    10,748.92x = 65,987,169.00
  5. Step 5: Solve for x
    x = 65,987,169.00/10,748.92
  6. Step 6: Final answer
    x = 6,138.96

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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.