Home / 11,388.24-17,083.08-4,813.56

Finding the Fourth Proportional to 11,388.24, 17,083.08 and 4,813.56

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Solution

The fourth proportional to 11,388.24, 17,083.08 and 4,813.56 is: 7,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.24 : 17,083.08 = 4,813.56 : x
  2. Step 2: Convert to fraction form
    11,388.24/17,083.08 = 4,813.56/x
  3. Step 3: Cross multiply
    11,388.24x = 17,083.08 × 4,813.56
  4. Step 4: Simplify right side
    11,388.24x = 82,230,430.56
  5. Step 5: Solve for x
    x = 82,230,430.56/11,388.24
  6. Step 6: Final answer
    x = 7,220.64

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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.