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Finding the Fourth Proportional to 11,101.73, 16,640.96 and 5,173.73

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Solution

The fourth proportional to 11,101.73, 16,640.96 and 5,173.73 is: 7,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.73 : 16,640.96 = 5,173.73 : x
  2. Step 2: Convert to fraction form
    11,101.73/16,640.96 = 5,173.73/x
  3. Step 3: Cross multiply
    11,101.73x = 16,640.96 × 5,173.73
  4. Step 4: Simplify right side
    11,101.73x = 86,095,763.71
  5. Step 5: Solve for x
    x = 86,095,763.71/11,101.73
  6. Step 6: Final answer
    x = 7,755.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.