Home / 12,844.92-19,268.66-3,485.09

Finding the Fourth Proportional to 12,844.92, 19,268.66 and 3,485.09

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Solution

The fourth proportional to 12,844.92, 19,268.66 and 3,485.09 is: 5,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.92 : 19,268.66 = 3,485.09 : x
  2. Step 2: Convert to fraction form
    12,844.92/19,268.66 = 3,485.09/x
  3. Step 3: Cross multiply
    12,844.92x = 19,268.66 × 3,485.09
  4. Step 4: Simplify right side
    12,844.92x = 67,153,071.16
  5. Step 5: Solve for x
    x = 67,153,071.16/12,844.92
  6. Step 6: Final answer
    x = 5,227.99

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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.