Home / 10,821.93-16,230.84-3,800.29

Finding the Fourth Proportional to 10,821.93, 16,230.84 and 3,800.29

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Solution

The fourth proportional to 10,821.93, 16,230.84 and 3,800.29 is: 5,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.93 : 16,230.84 = 3,800.29 : x
  2. Step 2: Convert to fraction form
    10,821.93/16,230.84 = 3,800.29/x
  3. Step 3: Cross multiply
    10,821.93x = 16,230.84 × 3,800.29
  4. Step 4: Simplify right side
    10,821.93x = 61,681,898.94
  5. Step 5: Solve for x
    x = 61,681,898.94/10,821.93
  6. Step 6: Final answer
    x = 5,699.71

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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.