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Finding the Fourth Proportional to 11,246.84, 15,519.84 and 6,531.56

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Solution

The fourth proportional to 11,246.84, 15,519.84 and 6,531.56 is: 9,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.84 : 15,519.84 = 6,531.56 : x
  2. Step 2: Convert to fraction form
    11,246.84/15,519.84 = 6,531.56/x
  3. Step 3: Cross multiply
    11,246.84x = 15,519.84 × 6,531.56
  4. Step 4: Simplify right side
    11,246.84x = 101,368,766.15
  5. Step 5: Solve for x
    x = 101,368,766.15/11,246.84
  6. Step 6: Final answer
    x = 9,013.09

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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.