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Finding the Fourth Proportional to 11,893.59, 17,840.54 and 5,654.21

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Solution

The fourth proportional to 11,893.59, 17,840.54 and 5,654.21 is: 8,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.59 : 17,840.54 = 5,654.21 : x
  2. Step 2: Convert to fraction form
    11,893.59/17,840.54 = 5,654.21/x
  3. Step 3: Cross multiply
    11,893.59x = 17,840.54 × 5,654.21
  4. Step 4: Simplify right side
    11,893.59x = 100,874,042.20
  5. Step 5: Solve for x
    x = 100,874,042.20/11,893.59
  6. Step 6: Final answer
    x = 8,481.38

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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.