Home / 11,147.57-16,723.08-3,751.45

Finding the Fourth Proportional to 11,147.57, 16,723.08 and 3,751.45

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Solution

The fourth proportional to 11,147.57, 16,723.08 and 3,751.45 is: 5,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.57 : 16,723.08 = 3,751.45 : x
  2. Step 2: Convert to fraction form
    11,147.57/16,723.08 = 3,751.45/x
  3. Step 3: Cross multiply
    11,147.57x = 16,723.08 × 3,751.45
  4. Step 4: Simplify right side
    11,147.57x = 62,735,833.44
  5. Step 5: Solve for x
    x = 62,735,833.44/11,147.57
  6. Step 6: Final answer
    x = 5,627.76

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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.