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Finding the Fourth Proportional to 11,703.53, 16,141.79 and 6,982.85

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Solution

The fourth proportional to 11,703.53, 16,141.79 and 6,982.85 is: 9,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.53 : 16,141.79 = 6,982.85 : x
  2. Step 2: Convert to fraction form
    11,703.53/16,141.79 = 6,982.85/x
  3. Step 3: Cross multiply
    11,703.53x = 16,141.79 × 6,982.85
  4. Step 4: Simplify right side
    11,703.53x = 112,715,635.05
  5. Step 5: Solve for x
    x = 112,715,635.05/11,703.53
  6. Step 6: Final answer
    x = 9,630.91

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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.