Home / 8,624.49-12,932.64-3,943.11

Finding the Fourth Proportional to 8,624.49, 12,932.64 and 3,943.11

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Solution

The fourth proportional to 8,624.49, 12,932.64 and 3,943.11 is: 5,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.49 : 12,932.64 = 3,943.11 : x
  2. Step 2: Convert to fraction form
    8,624.49/12,932.64 = 3,943.11/x
  3. Step 3: Cross multiply
    8,624.49x = 12,932.64 × 3,943.11
  4. Step 4: Simplify right side
    8,624.49x = 50,994,822.11
  5. Step 5: Solve for x
    x = 50,994,822.11/8,624.49
  6. Step 6: Final answer
    x = 5,912.79

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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.