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Finding the Fourth Proportional to 11,970.62, 17,936.13 and 6,119.18

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Solution

The fourth proportional to 11,970.62, 17,936.13 and 6,119.18 is: 9,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.62 : 17,936.13 = 6,119.18 : x
  2. Step 2: Convert to fraction form
    11,970.62/17,936.13 = 6,119.18/x
  3. Step 3: Cross multiply
    11,970.62x = 17,936.13 × 6,119.18
  4. Step 4: Simplify right side
    11,970.62x = 109,754,407.97
  5. Step 5: Solve for x
    x = 109,754,407.97/11,970.62
  6. Step 6: Final answer
    x = 9,168.65

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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.