Home / 10,352.25-15,529.19-3,426.75

Finding the Fourth Proportional to 10,352.25, 15,529.19 and 3,426.75

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Solution

The fourth proportional to 10,352.25, 15,529.19 and 3,426.75 is: 5,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.25 : 15,529.19 = 3,426.75 : x
  2. Step 2: Convert to fraction form
    10,352.25/15,529.19 = 3,426.75/x
  3. Step 3: Cross multiply
    10,352.25x = 15,529.19 × 3,426.75
  4. Step 4: Simplify right side
    10,352.25x = 53,214,634.70
  5. Step 5: Solve for x
    x = 53,214,634.70/10,352.25
  6. Step 6: Final answer
    x = 5,140.39

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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.