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Finding the Fourth Proportional to 11,848.89, 16,354.04 and 8,081.04

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Solution

The fourth proportional to 11,848.89, 16,354.04 and 8,081.04 is: 11,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.89 : 16,354.04 = 8,081.04 : x
  2. Step 2: Convert to fraction form
    11,848.89/16,354.04 = 8,081.04/x
  3. Step 3: Cross multiply
    11,848.89x = 16,354.04 × 8,081.04
  4. Step 4: Simplify right side
    11,848.89x = 132,157,651.40
  5. Step 5: Solve for x
    x = 132,157,651.40/11,848.89
  6. Step 6: Final answer
    x = 11,153.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.