Home / 7,929.46-11,893.24-2,086.53

Finding the Fourth Proportional to 7,929.46, 11,893.24 and 2,086.53

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Solution

The fourth proportional to 7,929.46, 11,893.24 and 2,086.53 is: 3,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.46 : 11,893.24 = 2,086.53 : x
  2. Step 2: Convert to fraction form
    7,929.46/11,893.24 = 2,086.53/x
  3. Step 3: Cross multiply
    7,929.46x = 11,893.24 × 2,086.53
  4. Step 4: Simplify right side
    7,929.46x = 24,815,560.07
  5. Step 5: Solve for x
    x = 24,815,560.07/7,929.46
  6. Step 6: Final answer
    x = 3,129.54

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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.