Home / 7,946.94-11,918.42-3,268.25

Finding the Fourth Proportional to 7,946.94, 11,918.42 and 3,268.25

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Solution

The fourth proportional to 7,946.94, 11,918.42 and 3,268.25 is: 4,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.94 : 11,918.42 = 3,268.25 : x
  2. Step 2: Convert to fraction form
    7,946.94/11,918.42 = 3,268.25/x
  3. Step 3: Cross multiply
    7,946.94x = 11,918.42 × 3,268.25
  4. Step 4: Simplify right side
    7,946.94x = 38,952,357.18
  5. Step 5: Solve for x
    x = 38,952,357.18/7,946.94
  6. Step 6: Final answer
    x = 4,901.55

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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.