Home / 10,820.42-16,229.37-3,029.84

Finding the Fourth Proportional to 10,820.42, 16,229.37 and 3,029.84

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Solution

The fourth proportional to 10,820.42, 16,229.37 and 3,029.84 is: 4,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.42 : 16,229.37 = 3,029.84 : x
  2. Step 2: Convert to fraction form
    10,820.42/16,229.37 = 3,029.84/x
  3. Step 3: Cross multiply
    10,820.42x = 16,229.37 × 3,029.84
  4. Step 4: Simplify right side
    10,820.42x = 49,172,394.40
  5. Step 5: Solve for x
    x = 49,172,394.40/10,820.42
  6. Step 6: Final answer
    x = 4,544.41

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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.