Home / 7,474.23-11,212.34-2,542.55

Finding the Fourth Proportional to 7,474.23, 11,212.34 and 2,542.55

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Solution

The fourth proportional to 7,474.23, 11,212.34 and 2,542.55 is: 3,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.23 : 11,212.34 = 2,542.55 : x
  2. Step 2: Convert to fraction form
    7,474.23/11,212.34 = 2,542.55/x
  3. Step 3: Cross multiply
    7,474.23x = 11,212.34 × 2,542.55
  4. Step 4: Simplify right side
    7,474.23x = 28,507,866.29
  5. Step 5: Solve for x
    x = 28,507,866.29/7,474.23
  6. Step 6: Final answer
    x = 3,814.15

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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.