Home / 11,163.21-16,736.60-5,323.92

Finding the Fourth Proportional to 11,163.21, 16,736.60 and 5,323.92

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Solution

The fourth proportional to 11,163.21, 16,736.60 and 5,323.92 is: 7,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.21 : 16,736.60 = 5,323.92 : x
  2. Step 2: Convert to fraction form
    11,163.21/16,736.60 = 5,323.92/x
  3. Step 3: Cross multiply
    11,163.21x = 16,736.60 × 5,323.92
  4. Step 4: Simplify right side
    11,163.21x = 89,104,292.85
  5. Step 5: Solve for x
    x = 89,104,292.85/11,163.21
  6. Step 6: Final answer
    x = 7,981.96

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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.