Home / 7,365.90-11,049.11-3,200.20

Finding the Fourth Proportional to 7,365.90, 11,049.11 and 3,200.20

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Solution

The fourth proportional to 7,365.90, 11,049.11 and 3,200.20 is: 4,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.90 : 11,049.11 = 3,200.20 : x
  2. Step 2: Convert to fraction form
    7,365.90/11,049.11 = 3,200.20/x
  3. Step 3: Cross multiply
    7,365.90x = 11,049.11 × 3,200.20
  4. Step 4: Simplify right side
    7,365.90x = 35,359,361.82
  5. Step 5: Solve for x
    x = 35,359,361.82/7,365.90
  6. Step 6: Final answer
    x = 4,800.41

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1.5x scale

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.