Home / 10,906.44-15,052.26-6,189.81

Finding the Fourth Proportional to 10,906.44, 15,052.26 and 6,189.81

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Solution

The fourth proportional to 10,906.44, 15,052.26 and 6,189.81 is: 8,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.44 : 15,052.26 = 6,189.81 : x
  2. Step 2: Convert to fraction form
    10,906.44/15,052.26 = 6,189.81/x
  3. Step 3: Cross multiply
    10,906.44x = 15,052.26 × 6,189.81
  4. Step 4: Simplify right side
    10,906.44x = 93,170,629.47
  5. Step 5: Solve for x
    x = 93,170,629.47/10,906.44
  6. Step 6: Final answer
    x = 8,542.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.