Home / 7,446.62-11,165.34-2,515.79

Finding the Fourth Proportional to 7,446.62, 11,165.34 and 2,515.79

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Solution

The fourth proportional to 7,446.62, 11,165.34 and 2,515.79 is: 3,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.62 : 11,165.34 = 2,515.79 : x
  2. Step 2: Convert to fraction form
    7,446.62/11,165.34 = 2,515.79/x
  3. Step 3: Cross multiply
    7,446.62x = 11,165.34 × 2,515.79
  4. Step 4: Simplify right side
    7,446.62x = 28,089,650.72
  5. Step 5: Solve for x
    x = 28,089,650.72/7,446.62
  6. Step 6: Final answer
    x = 3,772.13

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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.