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Finding the Fourth Proportional to 8,755.44, 12,093.91 and 7,083.16

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Solution

The fourth proportional to 8,755.44, 12,093.91 and 7,083.16 is: 9,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.44 : 12,093.91 = 7,083.16 : x
  2. Step 2: Convert to fraction form
    8,755.44/12,093.91 = 7,083.16/x
  3. Step 3: Cross multiply
    8,755.44x = 12,093.91 × 7,083.16
  4. Step 4: Simplify right side
    8,755.44x = 85,663,099.56
  5. Step 5: Solve for x
    x = 85,663,099.56/8,755.44
  6. Step 6: Final answer
    x = 9,783.99

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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.