Home / 7,422.26-11,135.00-2,157.32

Finding the Fourth Proportional to 7,422.26, 11,135.00 and 2,157.32

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Solution

The fourth proportional to 7,422.26, 11,135.00 and 2,157.32 is: 3,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.26 : 11,135.00 = 2,157.32 : x
  2. Step 2: Convert to fraction form
    7,422.26/11,135.00 = 2,157.32/x
  3. Step 3: Cross multiply
    7,422.26x = 11,135.00 × 2,157.32
  4. Step 4: Simplify right side
    7,422.26x = 24,021,791.43
  5. Step 5: Solve for x
    x = 24,021,791.43/7,422.26
  6. Step 6: Final answer
    x = 3,236.45

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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.