Home / 10,489.44-15,728.74-3,092.93

Finding the Fourth Proportional to 10,489.44, 15,728.74 and 3,092.93

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Solution

The fourth proportional to 10,489.44, 15,728.74 and 3,092.93 is: 4,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.44 : 15,728.74 = 3,092.93 : x
  2. Step 2: Convert to fraction form
    10,489.44/15,728.74 = 3,092.93/x
  3. Step 3: Cross multiply
    10,489.44x = 15,728.74 × 3,092.93
  4. Step 4: Simplify right side
    10,489.44x = 48,647,974.64
  5. Step 5: Solve for x
    x = 48,647,974.64/10,489.44
  6. Step 6: Final answer
    x = 4,637.81

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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.