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Finding the Fourth Proportional to 11,219.60, 16,837.91 and 6,293.39

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Solution

The fourth proportional to 11,219.60, 16,837.91 and 6,293.39 is: 9,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.60 : 16,837.91 = 6,293.39 : x
  2. Step 2: Convert to fraction form
    11,219.60/16,837.91 = 6,293.39/x
  3. Step 3: Cross multiply
    11,219.60x = 16,837.91 × 6,293.39
  4. Step 4: Simplify right side
    11,219.60x = 105,967,418.76
  5. Step 5: Solve for x
    x = 105,967,418.76/11,219.60
  6. Step 6: Final answer
    x = 9,444.85

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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.