Home / 8,822.79-13,231.53-3,556.11

Finding the Fourth Proportional to 8,822.79, 13,231.53 and 3,556.11

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Solution

The fourth proportional to 8,822.79, 13,231.53 and 3,556.11 is: 5,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.79 : 13,231.53 = 3,556.11 : x
  2. Step 2: Convert to fraction form
    8,822.79/13,231.53 = 3,556.11/x
  3. Step 3: Cross multiply
    8,822.79x = 13,231.53 × 3,556.11
  4. Step 4: Simplify right side
    8,822.79x = 47,052,776.15
  5. Step 5: Solve for x
    x = 47,052,776.15/8,822.79
  6. Step 6: Final answer
    x = 5,333.09

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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.