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Finding the Fourth Proportional to 11,052.78, 15,253.11 and 6,802.26

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Solution

The fourth proportional to 11,052.78, 15,253.11 and 6,802.26 is: 9,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.78 : 15,253.11 = 6,802.26 : x
  2. Step 2: Convert to fraction form
    11,052.78/15,253.11 = 6,802.26/x
  3. Step 3: Cross multiply
    11,052.78x = 15,253.11 × 6,802.26
  4. Step 4: Simplify right side
    11,052.78x = 103,755,620.03
  5. Step 5: Solve for x
    x = 103,755,620.03/11,052.78
  6. Step 6: Final answer
    x = 9,387.29

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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.