Home / 10,923.26-16,380.23-3,905.06

Finding the Fourth Proportional to 10,923.26, 16,380.23 and 3,905.06

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Solution

The fourth proportional to 10,923.26, 16,380.23 and 3,905.06 is: 5,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.26 : 16,380.23 = 3,905.06 : x
  2. Step 2: Convert to fraction form
    10,923.26/16,380.23 = 3,905.06/x
  3. Step 3: Cross multiply
    10,923.26x = 16,380.23 × 3,905.06
  4. Step 4: Simplify right side
    10,923.26x = 63,965,771.68
  5. Step 5: Solve for x
    x = 63,965,771.68/10,923.26
  6. Step 6: Final answer
    x = 5,855.93

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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.