Home / 10,414.05-15,620.93-2,516.50

Finding the Fourth Proportional to 10,414.05, 15,620.93 and 2,516.50

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Solution

The fourth proportional to 10,414.05, 15,620.93 and 2,516.50 is: 3,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.05 : 15,620.93 = 2,516.50 : x
  2. Step 2: Convert to fraction form
    10,414.05/15,620.93 = 2,516.50/x
  3. Step 3: Cross multiply
    10,414.05x = 15,620.93 × 2,516.50
  4. Step 4: Simplify right side
    10,414.05x = 39,310,070.35
  5. Step 5: Solve for x
    x = 39,310,070.35/10,414.05
  6. Step 6: Final answer
    x = 3,774.71

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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.