Home / 10,105.96-13,942.36-6,327.56

Finding the Fourth Proportional to 10,105.96, 13,942.36 and 6,327.56

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Solution

The fourth proportional to 10,105.96, 13,942.36 and 6,327.56 is: 8,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.96 : 13,942.36 = 6,327.56 : x
  2. Step 2: Convert to fraction form
    10,105.96/13,942.36 = 6,327.56/x
  3. Step 3: Cross multiply
    10,105.96x = 13,942.36 × 6,327.56
  4. Step 4: Simplify right side
    10,105.96x = 88,221,119.44
  5. Step 5: Solve for x
    x = 88,221,119.44/10,105.96
  6. Step 6: Final answer
    x = 8,729.61

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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.