Home / 7,438.57-11,151.88-5,092.81

Finding the Fourth Proportional to 7,438.57, 11,151.88 and 5,092.81

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Solution

The fourth proportional to 7,438.57, 11,151.88 and 5,092.81 is: 7,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.57 : 11,151.88 = 5,092.81 : x
  2. Step 2: Convert to fraction form
    7,438.57/11,151.88 = 5,092.81/x
  3. Step 3: Cross multiply
    7,438.57x = 11,151.88 × 5,092.81
  4. Step 4: Simplify right side
    7,438.57x = 56,794,365.37
  5. Step 5: Solve for x
    x = 56,794,365.37/7,438.57
  6. Step 6: Final answer
    x = 7,635.12

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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.