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Finding the Fourth Proportional to 11,657.84, 16,087.84 and 6,352.68

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Solution

The fourth proportional to 11,657.84, 16,087.84 and 6,352.68 is: 8,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.84 : 16,087.84 = 6,352.68 : x
  2. Step 2: Convert to fraction form
    11,657.84/16,087.84 = 6,352.68/x
  3. Step 3: Cross multiply
    11,657.84x = 16,087.84 × 6,352.68
  4. Step 4: Simplify right side
    11,657.84x = 102,200,899.41
  5. Step 5: Solve for x
    x = 102,200,899.41/11,657.84
  6. Step 6: Final answer
    x = 8,766.71

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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.