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Finding the Fourth Proportional to 11,670.94, 17,453.16 and 8,711.44

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Solution

The fourth proportional to 11,670.94, 17,453.16 and 8,711.44 is: 13,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.94 : 17,453.16 = 8,711.44 : x
  2. Step 2: Convert to fraction form
    11,670.94/17,453.16 = 8,711.44/x
  3. Step 3: Cross multiply
    11,670.94x = 17,453.16 × 8,711.44
  4. Step 4: Simplify right side
    11,670.94x = 152,042,156.15
  5. Step 5: Solve for x
    x = 152,042,156.15/11,670.94
  6. Step 6: Final answer
    x = 13,027.41

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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.