Home / 11,822.19-16,315.36-6,517.00

Finding the Fourth Proportional to 11,822.19, 16,315.36 and 6,517.00

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Solution

The fourth proportional to 11,822.19, 16,315.36 and 6,517.00 is: 8,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.19 : 16,315.36 = 6,517.00 : x
  2. Step 2: Convert to fraction form
    11,822.19/16,315.36 = 6,517.00/x
  3. Step 3: Cross multiply
    11,822.19x = 16,315.36 × 6,517.00
  4. Step 4: Simplify right side
    11,822.19x = 106,327,144.04
  5. Step 5: Solve for x
    x = 106,327,144.04/11,822.19
  6. Step 6: Final answer
    x = 8,993.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.