Home / 9,410.19-12,986.30-5,161.43

Finding the Fourth Proportional to 9,410.19, 12,986.30 and 5,161.43

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Solution

The fourth proportional to 9,410.19, 12,986.30 and 5,161.43 is: 7,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.19 : 12,986.30 = 5,161.43 : x
  2. Step 2: Convert to fraction form
    9,410.19/12,986.30 = 5,161.43/x
  3. Step 3: Cross multiply
    9,410.19x = 12,986.30 × 5,161.43
  4. Step 4: Simplify right side
    9,410.19x = 67,027,923.78
  5. Step 5: Solve for x
    x = 67,027,923.78/9,410.19
  6. Step 6: Final answer
    x = 7,122.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.