Home / 9,351.36-14,027.84-2,687.90

Finding the Fourth Proportional to 9,351.36, 14,027.84 and 2,687.90

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Solution

The fourth proportional to 9,351.36, 14,027.84 and 2,687.90 is: 4,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.36 : 14,027.84 = 2,687.90 : x
  2. Step 2: Convert to fraction form
    9,351.36/14,027.84 = 2,687.90/x
  3. Step 3: Cross multiply
    9,351.36x = 14,027.84 × 2,687.90
  4. Step 4: Simplify right side
    9,351.36x = 37,705,431.14
  5. Step 5: Solve for x
    x = 37,705,431.14/9,351.36
  6. Step 6: Final answer
    x = 4,032.08

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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.