Home / 7,494.18-11,233.34-2,811.12

Finding the Fourth Proportional to 7,494.18, 11,233.34 and 2,811.12

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Solution

The fourth proportional to 7,494.18, 11,233.34 and 2,811.12 is: 4,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.18 : 11,233.34 = 2,811.12 : x
  2. Step 2: Convert to fraction form
    7,494.18/11,233.34 = 2,811.12/x
  3. Step 3: Cross multiply
    7,494.18x = 11,233.34 × 2,811.12
  4. Step 4: Simplify right side
    7,494.18x = 31,578,266.74
  5. Step 5: Solve for x
    x = 31,578,266.74/7,494.18
  6. Step 6: Final answer
    x = 4,213.71

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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.