Home / 12,604.05-18,903.75-3,717.54

Finding the Fourth Proportional to 12,604.05, 18,903.75 and 3,717.54

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Solution

The fourth proportional to 12,604.05, 18,903.75 and 3,717.54 is: 5,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.05 : 18,903.75 = 3,717.54 : x
  2. Step 2: Convert to fraction form
    12,604.05/18,903.75 = 3,717.54/x
  3. Step 3: Cross multiply
    12,604.05x = 18,903.75 × 3,717.54
  4. Step 4: Simplify right side
    12,604.05x = 70,275,446.78
  5. Step 5: Solve for x
    x = 70,275,446.78/12,604.05
  6. Step 6: Final answer
    x = 5,575.62

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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.