Home / 12,047.14-18,072.43-3,727.87

Finding the Fourth Proportional to 12,047.14, 18,072.43 and 3,727.87

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Solution

The fourth proportional to 12,047.14, 18,072.43 and 3,727.87 is: 5,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.14 : 18,072.43 = 3,727.87 : x
  2. Step 2: Convert to fraction form
    12,047.14/18,072.43 = 3,727.87/x
  3. Step 3: Cross multiply
    12,047.14x = 18,072.43 × 3,727.87
  4. Step 4: Simplify right side
    12,047.14x = 67,371,579.26
  5. Step 5: Solve for x
    x = 67,371,579.26/12,047.14
  6. Step 6: Final answer
    x = 5,592.33

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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.