Home / 7,086.45-10,625.11-3,388.60

Finding the Fourth Proportional to 7,086.45, 10,625.11 and 3,388.60

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Solution

The fourth proportional to 7,086.45, 10,625.11 and 3,388.60 is: 5,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.45 : 10,625.11 = 3,388.60 : x
  2. Step 2: Convert to fraction form
    7,086.45/10,625.11 = 3,388.60/x
  3. Step 3: Cross multiply
    7,086.45x = 10,625.11 × 3,388.60
  4. Step 4: Simplify right side
    7,086.45x = 36,004,247.75
  5. Step 5: Solve for x
    x = 36,004,247.75/7,086.45
  6. Step 6: Final answer
    x = 5,080.72

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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.