Home / 8,149.57-11,246.49-4,612.69

Finding the Fourth Proportional to 8,149.57, 11,246.49 and 4,612.69

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Solution

The fourth proportional to 8,149.57, 11,246.49 and 4,612.69 is: 6,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.57 : 11,246.49 = 4,612.69 : x
  2. Step 2: Convert to fraction form
    8,149.57/11,246.49 = 4,612.69/x
  3. Step 3: Cross multiply
    8,149.57x = 11,246.49 × 4,612.69
  4. Step 4: Simplify right side
    8,149.57x = 51,876,571.96
  5. Step 5: Solve for x
    x = 51,876,571.96/8,149.57
  6. Step 6: Final answer
    x = 6,365.56

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Half scale
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Double scale
Find fourth proportional to 8,150.57, 11,247.87 and 4,613.69
Similar ratio
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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.