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Finding the Fourth Proportional to 9,609, 13,260.42 and 5,193

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Solution

The fourth proportional to 9,609, 13,260.42 and 5,193 is: 7,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609 : 13,260.42 = 5,193 : x
  2. Step 2: Convert to fraction form
    9,609/13,260.42 = 5,193/x
  3. Step 3: Cross multiply
    9,609x = 13,260.42 × 5,193
  4. Step 4: Simplify right side
    9,609x = 68,861,361.06
  5. Step 5: Solve for x
    x = 68,861,361.06/9,609
  6. Step 6: Final answer
    x = 7,166.34

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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.