Home / 9,192.96-13,790.25-2,619

Finding the Fourth Proportional to 9,192.96, 13,790.25 and 2,619

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Solution

The fourth proportional to 9,192.96, 13,790.25 and 2,619 is: 3,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.96 : 13,790.25 = 2,619 : x
  2. Step 2: Convert to fraction form
    9,192.96/13,790.25 = 2,619/x
  3. Step 3: Cross multiply
    9,192.96x = 13,790.25 × 2,619
  4. Step 4: Simplify right side
    9,192.96x = 36,116,664.75
  5. Step 5: Solve for x
    x = 36,116,664.75/9,192.96
  6. Step 6: Final answer
    x = 3,928.73

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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.