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Finding the Fourth Proportional to 11,361.82, 17,026.98 and 8,586.22

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Solution

The fourth proportional to 11,361.82, 17,026.98 and 8,586.22 is: 12,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.82 : 17,026.98 = 8,586.22 : x
  2. Step 2: Convert to fraction form
    11,361.82/17,026.98 = 8,586.22/x
  3. Step 3: Cross multiply
    11,361.82x = 17,026.98 × 8,586.22
  4. Step 4: Simplify right side
    11,361.82x = 146,197,396.22
  5. Step 5: Solve for x
    x = 146,197,396.22/11,361.82
  6. Step 6: Final answer
    x = 12,867.43

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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.