Home / 10,906.38-15,050.61-6,190.56

Finding the Fourth Proportional to 10,906.38, 15,050.61 and 6,190.56

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Solution

The fourth proportional to 10,906.38, 15,050.61 and 6,190.56 is: 8,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.38 : 15,050.61 = 6,190.56 : x
  2. Step 2: Convert to fraction form
    10,906.38/15,050.61 = 6,190.56/x
  3. Step 3: Cross multiply
    10,906.38x = 15,050.61 × 6,190.56
  4. Step 4: Simplify right side
    10,906.38x = 93,171,704.24
  5. Step 5: Solve for x
    x = 93,171,704.24/10,906.38
  6. Step 6: Final answer
    x = 8,542.86

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1.5x scale

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.