Home / 7,422.03-11,134.67-2,228.31

Finding the Fourth Proportional to 7,422.03, 11,134.67 and 2,228.31

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Solution

The fourth proportional to 7,422.03, 11,134.67 and 2,228.31 is: 3,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.03 : 11,134.67 = 2,228.31 : x
  2. Step 2: Convert to fraction form
    7,422.03/11,134.67 = 2,228.31/x
  3. Step 3: Cross multiply
    7,422.03x = 11,134.67 × 2,228.31
  4. Step 4: Simplify right side
    7,422.03x = 24,811,485.37
  5. Step 5: Solve for x
    x = 24,811,485.37/7,422.03
  6. Step 6: Final answer
    x = 3,342.95

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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.