Home / 12,625.35-18,938.01-5,227.81

Finding the Fourth Proportional to 12,625.35, 18,938.01 and 5,227.81

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Solution

The fourth proportional to 12,625.35, 18,938.01 and 5,227.81 is: 7,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.35 : 18,938.01 = 5,227.81 : x
  2. Step 2: Convert to fraction form
    12,625.35/18,938.01 = 5,227.81/x
  3. Step 3: Cross multiply
    12,625.35x = 18,938.01 × 5,227.81
  4. Step 4: Simplify right side
    12,625.35x = 99,004,318.06
  5. Step 5: Solve for x
    x = 99,004,318.06/12,625.35
  6. Step 6: Final answer
    x = 7,841.71

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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.