Home / 13,230.24-19,844.49-6,211.79

Finding the Fourth Proportional to 13,230.24, 19,844.49 and 6,211.79

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Solution

The fourth proportional to 13,230.24, 19,844.49 and 6,211.79 is: 9,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.24 : 19,844.49 = 6,211.79 : x
  2. Step 2: Convert to fraction form
    13,230.24/19,844.49 = 6,211.79/x
  3. Step 3: Cross multiply
    13,230.24x = 19,844.49 × 6,211.79
  4. Step 4: Simplify right side
    13,230.24x = 123,269,803.03
  5. Step 5: Solve for x
    x = 123,269,803.03/13,230.24
  6. Step 6: Final answer
    x = 9,317.28

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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.