Home / 10,414.34-15,621.30-2,622.94

Finding the Fourth Proportional to 10,414.34, 15,621.30 and 2,622.94

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Solution

The fourth proportional to 10,414.34, 15,621.30 and 2,622.94 is: 3,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.34 : 15,621.30 = 2,622.94 : x
  2. Step 2: Convert to fraction form
    10,414.34/15,621.30 = 2,622.94/x
  3. Step 3: Cross multiply
    10,414.34x = 15,621.30 × 2,622.94
  4. Step 4: Simplify right side
    10,414.34x = 40,973,732.62
  5. Step 5: Solve for x
    x = 40,973,732.62/10,414.34
  6. Step 6: Final answer
    x = 3,934.36

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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.