Home / 10,449.05-15,666.26-3,874.37

Finding the Fourth Proportional to 10,449.05, 15,666.26 and 3,874.37

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Solution

The fourth proportional to 10,449.05, 15,666.26 and 3,874.37 is: 5,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.05 : 15,666.26 = 3,874.37 : x
  2. Step 2: Convert to fraction form
    10,449.05/15,666.26 = 3,874.37/x
  3. Step 3: Cross multiply
    10,449.05x = 15,666.26 × 3,874.37
  4. Step 4: Simplify right side
    10,449.05x = 60,696,790.05
  5. Step 5: Solve for x
    x = 60,696,790.05/10,449.05
  6. Step 6: Final answer
    x = 5,808.84

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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.