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Finding the Fourth Proportional to 11,701, 16,147.38 and 6,735.88

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Solution

The fourth proportional to 11,701, 16,147.38 and 6,735.88 is: 9,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701 : 16,147.38 = 6,735.88 : x
  2. Step 2: Convert to fraction form
    11,701/16,147.38 = 6,735.88/x
  3. Step 3: Cross multiply
    11,701x = 16,147.38 × 6,735.88
  4. Step 4: Simplify right side
    11,701x = 108,766,813.99
  5. Step 5: Solve for x
    x = 108,766,813.99/11,701
  6. Step 6: Final answer
    x = 9,295.51

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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.