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Finding the Fourth Proportional to 8,362.16, 11,531.16 and 5,843.35

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Solution

The fourth proportional to 8,362.16, 11,531.16 and 5,843.35 is: 8,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.16 : 11,531.16 = 5,843.35 : x
  2. Step 2: Convert to fraction form
    8,362.16/11,531.16 = 5,843.35/x
  3. Step 3: Cross multiply
    8,362.16x = 11,531.16 × 5,843.35
  4. Step 4: Simplify right side
    8,362.16x = 67,380,625.70
  5. Step 5: Solve for x
    x = 67,380,625.70/8,362.16
  6. Step 6: Final answer
    x = 8,057.80

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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.