Home / 8,133.48-12,190.32-2,933.28

Finding the Fourth Proportional to 8,133.48, 12,190.32 and 2,933.28

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Solution

The fourth proportional to 8,133.48, 12,190.32 and 2,933.28 is: 4,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.48 : 12,190.32 = 2,933.28 : x
  2. Step 2: Convert to fraction form
    8,133.48/12,190.32 = 2,933.28/x
  3. Step 3: Cross multiply
    8,133.48x = 12,190.32 × 2,933.28
  4. Step 4: Simplify right side
    8,133.48x = 35,757,621.85
  5. Step 5: Solve for x
    x = 35,757,621.85/8,133.48
  6. Step 6: Final answer
    x = 4,396.35

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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.