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Finding the Fourth Proportional to 11,893.15, 17,839.76 and 3,995.43

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Solution

The fourth proportional to 11,893.15, 17,839.76 and 3,995.43 is: 5,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.15 : 17,839.76 = 3,995.43 : x
  2. Step 2: Convert to fraction form
    11,893.15/17,839.76 = 3,995.43/x
  3. Step 3: Cross multiply
    11,893.15x = 17,839.76 × 3,995.43
  4. Step 4: Simplify right side
    11,893.15x = 71,277,598.42
  5. Step 5: Solve for x
    x = 71,277,598.42/11,893.15
  6. Step 6: Final answer
    x = 5,993.17

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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.