Home / 8,149.44-11,245.13-4,790.28

Finding the Fourth Proportional to 8,149.44, 11,245.13 and 4,790.28

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Solution

The fourth proportional to 8,149.44, 11,245.13 and 4,790.28 is: 6,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.44 : 11,245.13 = 4,790.28 : x
  2. Step 2: Convert to fraction form
    8,149.44/11,245.13 = 4,790.28/x
  3. Step 3: Cross multiply
    8,149.44x = 11,245.13 × 4,790.28
  4. Step 4: Simplify right side
    8,149.44x = 53,867,297.39
  5. Step 5: Solve for x
    x = 53,867,297.39/8,149.44
  6. Step 6: Final answer
    x = 6,609.94

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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.