Home / 10,207.84-15,313.92-3,636.04

Finding the Fourth Proportional to 10,207.84, 15,313.92 and 3,636.04

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Solution

The fourth proportional to 10,207.84, 15,313.92 and 3,636.04 is: 5,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.84 : 15,313.92 = 3,636.04 : x
  2. Step 2: Convert to fraction form
    10,207.84/15,313.92 = 3,636.04/x
  3. Step 3: Cross multiply
    10,207.84x = 15,313.92 × 3,636.04
  4. Step 4: Simplify right side
    10,207.84x = 55,682,025.68
  5. Step 5: Solve for x
    x = 55,682,025.68/10,207.84
  6. Step 6: Final answer
    x = 5,454.83

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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.