Home / 8,348.20-11,520.51-5,204.38

Finding the Fourth Proportional to 8,348.20, 11,520.51 and 5,204.38

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Solution

The fourth proportional to 8,348.20, 11,520.51 and 5,204.38 is: 7,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.20 : 11,520.51 = 5,204.38 : x
  2. Step 2: Convert to fraction form
    8,348.20/11,520.51 = 5,204.38/x
  3. Step 3: Cross multiply
    8,348.20x = 11,520.51 × 5,204.38
  4. Step 4: Simplify right side
    8,348.20x = 59,957,054.23
  5. Step 5: Solve for x
    x = 59,957,054.23/8,348.20
  6. Step 6: Final answer
    x = 7,182.04

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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.