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Finding the Fourth Proportional to 11,912.94, 17,849.97 and 6,061.50

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Solution

The fourth proportional to 11,912.94, 17,849.97 and 6,061.50 is: 9,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.94 : 17,849.97 = 6,061.50 : x
  2. Step 2: Convert to fraction form
    11,912.94/17,849.97 = 6,061.50/x
  3. Step 3: Cross multiply
    11,912.94x = 17,849.97 × 6,061.50
  4. Step 4: Simplify right side
    11,912.94x = 108,197,593.16
  5. Step 5: Solve for x
    x = 108,197,593.16/11,912.94
  6. Step 6: Final answer
    x = 9,082.36

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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.