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Finding the Fourth Proportional to 8,845.77, 12,208.35 and 8,098.39

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Solution

The fourth proportional to 8,845.77, 12,208.35 and 8,098.39 is: 11,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.77 : 12,208.35 = 8,098.39 : x
  2. Step 2: Convert to fraction form
    8,845.77/12,208.35 = 8,098.39/x
  3. Step 3: Cross multiply
    8,845.77x = 12,208.35 × 8,098.39
  4. Step 4: Simplify right side
    8,845.77x = 98,868,025.19
  5. Step 5: Solve for x
    x = 98,868,025.19/8,845.77
  6. Step 6: Final answer
    x = 11,176.87

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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.