Home / 10,414.26-15,621.72-2,623.08

Finding the Fourth Proportional to 10,414.26, 15,621.72 and 2,623.08

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Solution

The fourth proportional to 10,414.26, 15,621.72 and 2,623.08 is: 3,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.26 : 15,621.72 = 2,623.08 : x
  2. Step 2: Convert to fraction form
    10,414.26/15,621.72 = 2,623.08/x
  3. Step 3: Cross multiply
    10,414.26x = 15,621.72 × 2,623.08
  4. Step 4: Simplify right side
    10,414.26x = 40,977,021.30
  5. Step 5: Solve for x
    x = 40,977,021.30/10,414.26
  6. Step 6: Final answer
    x = 3,934.70

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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.