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Finding the Fourth Proportional to 11,134.99, 16,690.92 and 6,965.44

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Solution

The fourth proportional to 11,134.99, 16,690.92 and 6,965.44 is: 10,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.99 : 16,690.92 = 6,965.44 : x
  2. Step 2: Convert to fraction form
    11,134.99/16,690.92 = 6,965.44/x
  3. Step 3: Cross multiply
    11,134.99x = 16,690.92 × 6,965.44
  4. Step 4: Simplify right side
    11,134.99x = 116,259,601.80
  5. Step 5: Solve for x
    x = 116,259,601.80/11,134.99
  6. Step 6: Final answer
    x = 10,440.93

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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.