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Finding the Fourth Proportional to 11,235.57, 16,855.11 and 4,997.76

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Solution

The fourth proportional to 11,235.57, 16,855.11 and 4,997.76 is: 7,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.57 : 16,855.11 = 4,997.76 : x
  2. Step 2: Convert to fraction form
    11,235.57/16,855.11 = 4,997.76/x
  3. Step 3: Cross multiply
    11,235.57x = 16,855.11 × 4,997.76
  4. Step 4: Simplify right side
    11,235.57x = 84,237,794.55
  5. Step 5: Solve for x
    x = 84,237,794.55/11,235.57
  6. Step 6: Final answer
    x = 7,497.42

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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.