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Finding the Fourth Proportional to 11,896.94, 16,416.88 and 6,591.65

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Solution

The fourth proportional to 11,896.94, 16,416.88 and 6,591.65 is: 9,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.94 : 16,416.88 = 6,591.65 : x
  2. Step 2: Convert to fraction form
    11,896.94/16,416.88 = 6,591.65/x
  3. Step 3: Cross multiply
    11,896.94x = 16,416.88 × 6,591.65
  4. Step 4: Simplify right side
    11,896.94x = 108,214,228.49
  5. Step 5: Solve for x
    x = 108,214,228.49/11,896.94
  6. Step 6: Final answer
    x = 9,095.97

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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.