Home / 11,138.61-16,707.60-3,743.48

Finding the Fourth Proportional to 11,138.61, 16,707.60 and 3,743.48

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Solution

The fourth proportional to 11,138.61, 16,707.60 and 3,743.48 is: 5,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.61 : 16,707.60 = 3,743.48 : x
  2. Step 2: Convert to fraction form
    11,138.61/16,707.60 = 3,743.48/x
  3. Step 3: Cross multiply
    11,138.61x = 16,707.60 × 3,743.48
  4. Step 4: Simplify right side
    11,138.61x = 62,544,608.22
  5. Step 5: Solve for x
    x = 62,544,608.22/11,138.61
  6. Step 6: Final answer
    x = 5,615.12

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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.