Home / 8,816.14-13,224.52-2,972.80

Finding the Fourth Proportional to 8,816.14, 13,224.52 and 2,972.80

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Solution

The fourth proportional to 8,816.14, 13,224.52 and 2,972.80 is: 4,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.14 : 13,224.52 = 2,972.80 : x
  2. Step 2: Convert to fraction form
    8,816.14/13,224.52 = 2,972.80/x
  3. Step 3: Cross multiply
    8,816.14x = 13,224.52 × 2,972.80
  4. Step 4: Simplify right side
    8,816.14x = 39,313,786.93
  5. Step 5: Solve for x
    x = 39,313,786.93/8,816.14
  6. Step 6: Final answer
    x = 4,459.30

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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.