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Finding the Fourth Proportional to 11,806.62, 17,709.93 and 5,231.04

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Solution

The fourth proportional to 11,806.62, 17,709.93 and 5,231.04 is: 7,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.62 : 17,709.93 = 5,231.04 : x
  2. Step 2: Convert to fraction form
    11,806.62/17,709.93 = 5,231.04/x
  3. Step 3: Cross multiply
    11,806.62x = 17,709.93 × 5,231.04
  4. Step 4: Simplify right side
    11,806.62x = 92,641,352.23
  5. Step 5: Solve for x
    x = 92,641,352.23/11,806.62
  6. Step 6: Final answer
    x = 7,846.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.