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Finding the Fourth Proportional to 11,611.73, 16,026.74 and 7,633.21

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Solution

The fourth proportional to 11,611.73, 16,026.74 and 7,633.21 is: 10,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.73 : 16,026.74 = 7,633.21 : x
  2. Step 2: Convert to fraction form
    11,611.73/16,026.74 = 7,633.21/x
  3. Step 3: Cross multiply
    11,611.73x = 16,026.74 × 7,633.21
  4. Step 4: Simplify right side
    11,611.73x = 122,335,472.04
  5. Step 5: Solve for x
    x = 122,335,472.04/11,611.73
  6. Step 6: Final answer
    x = 10,535.51

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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.