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Finding the Fourth Proportional to 11,080.62, 15,291.03 and 6,112.62

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Solution

The fourth proportional to 11,080.62, 15,291.03 and 6,112.62 is: 8,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.62 : 15,291.03 = 6,112.62 : x
  2. Step 2: Convert to fraction form
    11,080.62/15,291.03 = 6,112.62/x
  3. Step 3: Cross multiply
    11,080.62x = 15,291.03 × 6,112.62
  4. Step 4: Simplify right side
    11,080.62x = 93,468,255.80
  5. Step 5: Solve for x
    x = 93,468,255.80/11,080.62
  6. Step 6: Final answer
    x = 8,435.29

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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.