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Finding the Fourth Proportional to 11,652.90, 17,459.91 and 8,183.94

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Solution

The fourth proportional to 11,652.90, 17,459.91 and 8,183.94 is: 12,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.90 : 17,459.91 = 8,183.94 : x
  2. Step 2: Convert to fraction form
    11,652.90/17,459.91 = 8,183.94/x
  3. Step 3: Cross multiply
    11,652.90x = 17,459.91 × 8,183.94
  4. Step 4: Simplify right side
    11,652.90x = 142,890,855.85
  5. Step 5: Solve for x
    x = 142,890,855.85/11,652.90
  6. Step 6: Final answer
    x = 12,262.26

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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.