Home / 11,363.20-17,043.60-3,571.60

Finding the Fourth Proportional to 11,363.20, 17,043.60 and 3,571.60

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Solution

The fourth proportional to 11,363.20, 17,043.60 and 3,571.60 is: 5,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.20 : 17,043.60 = 3,571.60 : x
  2. Step 2: Convert to fraction form
    11,363.20/17,043.60 = 3,571.60/x
  3. Step 3: Cross multiply
    11,363.20x = 17,043.60 × 3,571.60
  4. Step 4: Simplify right side
    11,363.20x = 60,872,921.76
  5. Step 5: Solve for x
    x = 60,872,921.76/11,363.20
  6. Step 6: Final answer
    x = 5,357.02

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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.