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Finding the Fourth Proportional to 11,230.74, 15,504.49 and 6,755.49

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Solution

The fourth proportional to 11,230.74, 15,504.49 and 6,755.49 is: 9,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.74 : 15,504.49 = 6,755.49 : x
  2. Step 2: Convert to fraction form
    11,230.74/15,504.49 = 6,755.49/x
  3. Step 3: Cross multiply
    11,230.74x = 15,504.49 × 6,755.49
  4. Step 4: Simplify right side
    11,230.74x = 104,740,435.59
  5. Step 5: Solve for x
    x = 104,740,435.59/11,230.74
  6. Step 6: Final answer
    x = 9,326.23

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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.