Home / 10,933.26-16,400.70-3,914.70

Finding the Fourth Proportional to 10,933.26, 16,400.70 and 3,914.70

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Solution

The fourth proportional to 10,933.26, 16,400.70 and 3,914.70 is: 5,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.26 : 16,400.70 = 3,914.70 : x
  2. Step 2: Convert to fraction form
    10,933.26/16,400.70 = 3,914.70/x
  3. Step 3: Cross multiply
    10,933.26x = 16,400.70 × 3,914.70
  4. Step 4: Simplify right side
    10,933.26x = 64,203,820.29
  5. Step 5: Solve for x
    x = 64,203,820.29/10,933.26
  6. Step 6: Final answer
    x = 5,872.34

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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.