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Finding the Fourth Proportional to 11,956.26, 17,943.75 and 8,284.26

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Solution

The fourth proportional to 11,956.26, 17,943.75 and 8,284.26 is: 12,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.26 : 17,943.75 = 8,284.26 : x
  2. Step 2: Convert to fraction form
    11,956.26/17,943.75 = 8,284.26/x
  3. Step 3: Cross multiply
    11,956.26x = 17,943.75 × 8,284.26
  4. Step 4: Simplify right side
    11,956.26x = 148,650,690.38
  5. Step 5: Solve for x
    x = 148,650,690.38/11,956.26
  6. Step 6: Final answer
    x = 12,432.88

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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.