Home / 10,930.22-15,082.33-6,149.57

Finding the Fourth Proportional to 10,930.22, 15,082.33 and 6,149.57

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Solution

The fourth proportional to 10,930.22, 15,082.33 and 6,149.57 is: 8,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.22 : 15,082.33 = 6,149.57 : x
  2. Step 2: Convert to fraction form
    10,930.22/15,082.33 = 6,149.57/x
  3. Step 3: Cross multiply
    10,930.22x = 15,082.33 × 6,149.57
  4. Step 4: Simplify right side
    10,930.22x = 92,749,832.39
  5. Step 5: Solve for x
    x = 92,749,832.39/10,930.22
  6. Step 6: Final answer
    x = 8,485.64

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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.