Home / 10,817.81-16,226.61-3,422.27

Finding the Fourth Proportional to 10,817.81, 16,226.61 and 3,422.27

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Solution

The fourth proportional to 10,817.81, 16,226.61 and 3,422.27 is: 5,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.81 : 16,226.61 = 3,422.27 : x
  2. Step 2: Convert to fraction form
    10,817.81/16,226.61 = 3,422.27/x
  3. Step 3: Cross multiply
    10,817.81x = 16,226.61 × 3,422.27
  4. Step 4: Simplify right side
    10,817.81x = 55,531,840.60
  5. Step 5: Solve for x
    x = 55,531,840.60/10,817.81
  6. Step 6: Final answer
    x = 5,133.37

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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.