Home / 11,156.14-16,736.61-4,230.64

Finding the Fourth Proportional to 11,156.14, 16,736.61 and 4,230.64

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Solution

The fourth proportional to 11,156.14, 16,736.61 and 4,230.64 is: 6,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.14 : 16,736.61 = 4,230.64 : x
  2. Step 2: Convert to fraction form
    11,156.14/16,736.61 = 4,230.64/x
  3. Step 3: Cross multiply
    11,156.14x = 16,736.61 × 4,230.64
  4. Step 4: Simplify right side
    11,156.14x = 70,806,571.73
  5. Step 5: Solve for x
    x = 70,806,571.73/11,156.14
  6. Step 6: Final answer
    x = 6,346.87

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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.