Home / 10,822.28-16,235.10-3,426.03

Finding the Fourth Proportional to 10,822.28, 16,235.10 and 3,426.03

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Solution

The fourth proportional to 10,822.28, 16,235.10 and 3,426.03 is: 5,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.28 : 16,235.10 = 3,426.03 : x
  2. Step 2: Convert to fraction form
    10,822.28/16,235.10 = 3,426.03/x
  3. Step 3: Cross multiply
    10,822.28x = 16,235.10 × 3,426.03
  4. Step 4: Simplify right side
    10,822.28x = 55,621,939.65
  5. Step 5: Solve for x
    x = 55,621,939.65/10,822.28
  6. Step 6: Final answer
    x = 5,139.58

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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.