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Finding the Fourth Proportional to 11,764.02, 16,234.41 and 6,728.46

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Solution

The fourth proportional to 11,764.02, 16,234.41 and 6,728.46 is: 9,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.02 : 16,234.41 = 6,728.46 : x
  2. Step 2: Convert to fraction form
    11,764.02/16,234.41 = 6,728.46/x
  3. Step 3: Cross multiply
    11,764.02x = 16,234.41 × 6,728.46
  4. Step 4: Simplify right side
    11,764.02x = 109,232,542.66
  5. Step 5: Solve for x
    x = 109,232,542.66/11,764.02
  6. Step 6: Final answer
    x = 9,285.30

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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.