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Finding the Fourth Proportional to 8,481.39, 11,718.12 and 7,060.52

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Solution

The fourth proportional to 8,481.39, 11,718.12 and 7,060.52 is: 9,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.39 : 11,718.12 = 7,060.52 : x
  2. Step 2: Convert to fraction form
    8,481.39/11,718.12 = 7,060.52/x
  3. Step 3: Cross multiply
    8,481.39x = 11,718.12 × 7,060.52
  4. Step 4: Simplify right side
    8,481.39x = 82,735,962.03
  5. Step 5: Solve for x
    x = 82,735,962.03/8,481.39
  6. Step 6: Final answer
    x = 9,755.00

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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.