Home / 7,442.55-11,162.43-2,512.08

Finding the Fourth Proportional to 7,442.55, 11,162.43 and 2,512.08

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Solution

The fourth proportional to 7,442.55, 11,162.43 and 2,512.08 is: 3,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.55 : 11,162.43 = 2,512.08 : x
  2. Step 2: Convert to fraction form
    7,442.55/11,162.43 = 2,512.08/x
  3. Step 3: Cross multiply
    7,442.55x = 11,162.43 × 2,512.08
  4. Step 4: Simplify right side
    7,442.55x = 28,040,917.15
  5. Step 5: Solve for x
    x = 28,040,917.15/7,442.55
  6. Step 6: Final answer
    x = 3,767.65

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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.