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Finding the Fourth Proportional to 11,493.18, 17,251.92 and 5,653.89

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Solution

The fourth proportional to 11,493.18, 17,251.92 and 5,653.89 is: 8,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.18 : 17,251.92 = 5,653.89 : x
  2. Step 2: Convert to fraction form
    11,493.18/17,251.92 = 5,653.89/x
  3. Step 3: Cross multiply
    11,493.18x = 17,251.92 × 5,653.89
  4. Step 4: Simplify right side
    11,493.18x = 97,540,457.97
  5. Step 5: Solve for x
    x = 97,540,457.97/11,493.18
  6. Step 6: Final answer
    x = 8,486.81

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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.