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Finding the Fourth Proportional to 11,260.80, 16,858.80 and 10,094.40

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Solution

The fourth proportional to 11,260.80, 16,858.80 and 10,094.40 is: 15,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.80 : 16,858.80 = 10,094.40 : x
  2. Step 2: Convert to fraction form
    11,260.80/16,858.80 = 10,094.40/x
  3. Step 3: Cross multiply
    11,260.80x = 16,858.80 × 10,094.40
  4. Step 4: Simplify right side
    11,260.80x = 170,179,470.72
  5. Step 5: Solve for x
    x = 170,179,470.72/11,260.80
  6. Step 6: Final answer
    x = 15,112.56

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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.