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Finding the Fourth Proportional to 10,728.12, 16,092.18 and 3,801

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Solution

The fourth proportional to 10,728.12, 16,092.18 and 3,801 is: 5,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.12 : 16,092.18 = 3,801 : x
  2. Step 2: Convert to fraction form
    10,728.12/16,092.18 = 3,801/x
  3. Step 3: Cross multiply
    10,728.12x = 16,092.18 × 3,801
  4. Step 4: Simplify right side
    10,728.12x = 61,166,376.18
  5. Step 5: Solve for x
    x = 61,166,376.18/10,728.12
  6. Step 6: Final answer
    x = 5,701.50

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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.