Home / 8,816.37-13,226.49-2,972.82

Finding the Fourth Proportional to 8,816.37, 13,226.49 and 2,972.82

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Solution

The fourth proportional to 8,816.37, 13,226.49 and 2,972.82 is: 4,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.37 : 13,226.49 = 2,972.82 : x
  2. Step 2: Convert to fraction form
    8,816.37/13,226.49 = 2,972.82/x
  3. Step 3: Cross multiply
    8,816.37x = 13,226.49 × 2,972.82
  4. Step 4: Simplify right side
    8,816.37x = 39,319,974.00
  5. Step 5: Solve for x
    x = 39,319,974.00/8,816.37
  6. Step 6: Final answer
    x = 4,459.88

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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.