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Finding the Fourth Proportional to 11,892.93, 17,839.34 and 6,993.74

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Solution

The fourth proportional to 11,892.93, 17,839.34 and 6,993.74 is: 10,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.93 : 17,839.34 = 6,993.74 : x
  2. Step 2: Convert to fraction form
    11,892.93/17,839.34 = 6,993.74/x
  3. Step 3: Cross multiply
    11,892.93x = 17,839.34 × 6,993.74
  4. Step 4: Simplify right side
    11,892.93x = 124,763,741.59
  5. Step 5: Solve for x
    x = 124,763,741.59/11,892.93
  6. Step 6: Final answer
    x = 10,490.58

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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.