Home / 10,336.59-15,503.43-3,408.75

Finding the Fourth Proportional to 10,336.59, 15,503.43 and 3,408.75

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Solution

The fourth proportional to 10,336.59, 15,503.43 and 3,408.75 is: 5,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.59 : 15,503.43 = 3,408.75 : x
  2. Step 2: Convert to fraction form
    10,336.59/15,503.43 = 3,408.75/x
  3. Step 3: Cross multiply
    10,336.59x = 15,503.43 × 3,408.75
  4. Step 4: Simplify right side
    10,336.59x = 52,847,317.01
  5. Step 5: Solve for x
    x = 52,847,317.01/10,336.59
  6. Step 6: Final answer
    x = 5,112.65

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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.