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Finding the Fourth Proportional to 11,703.65, 16,141.97 and 6,982.97

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Solution

The fourth proportional to 11,703.65, 16,141.97 and 6,982.97 is: 9,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.65 : 16,141.97 = 6,982.97 : x
  2. Step 2: Convert to fraction form
    11,703.65/16,141.97 = 6,982.97/x
  3. Step 3: Cross multiply
    11,703.65x = 16,141.97 × 6,982.97
  4. Step 4: Simplify right side
    11,703.65x = 112,718,857.34
  5. Step 5: Solve for x
    x = 112,718,857.34/11,703.65
  6. Step 6: Final answer
    x = 9,631.09

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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.