Home / 8,240.09-11,371.32-4,514.09

Finding the Fourth Proportional to 8,240.09, 11,371.32 and 4,514.09

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Solution

The fourth proportional to 8,240.09, 11,371.32 and 4,514.09 is: 6,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.09 : 11,371.32 = 4,514.09 : x
  2. Step 2: Convert to fraction form
    8,240.09/11,371.32 = 4,514.09/x
  3. Step 3: Cross multiply
    8,240.09x = 11,371.32 × 4,514.09
  4. Step 4: Simplify right side
    8,240.09x = 51,331,105.04
  5. Step 5: Solve for x
    x = 51,331,105.04/8,240.09
  6. Step 6: Final answer
    x = 6,229.44

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Half scale
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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.