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Finding the Fourth Proportional to 11,811.13, 17,706.64 and 5,233.73

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Solution

The fourth proportional to 11,811.13, 17,706.64 and 5,233.73 is: 7,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.13 : 17,706.64 = 5,233.73 : x
  2. Step 2: Convert to fraction form
    11,811.13/17,706.64 = 5,233.73/x
  3. Step 3: Cross multiply
    11,811.13x = 17,706.64 × 5,233.73
  4. Step 4: Simplify right side
    11,811.13x = 92,671,715.62
  5. Step 5: Solve for x
    x = 92,671,715.62/11,811.13
  6. Step 6: Final answer
    x = 7,846.13

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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.