Home / 10,835.74-16,255.62-3,438.20

Finding the Fourth Proportional to 10,835.74, 16,255.62 and 3,438.20

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Solution

The fourth proportional to 10,835.74, 16,255.62 and 3,438.20 is: 5,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.74 : 16,255.62 = 3,438.20 : x
  2. Step 2: Convert to fraction form
    10,835.74/16,255.62 = 3,438.20/x
  3. Step 3: Cross multiply
    10,835.74x = 16,255.62 × 3,438.20
  4. Step 4: Simplify right side
    10,835.74x = 55,890,072.68
  5. Step 5: Solve for x
    x = 55,890,072.68/10,835.74
  6. Step 6: Final answer
    x = 5,157.94

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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.