Home / 11,680.00-16,118.49-6,374.50

Finding the Fourth Proportional to 11,680.00, 16,118.49 and 6,374.50

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Solution

The fourth proportional to 11,680.00, 16,118.49 and 6,374.50 is: 8,796.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.00 : 16,118.49 = 6,374.50 : x
  2. Step 2: Convert to fraction form
    11,680.00/16,118.49 = 6,374.50/x
  3. Step 3: Cross multiply
    11,680.00x = 16,118.49 × 6,374.50
  4. Step 4: Simplify right side
    11,680.00x = 102,747,298.11
  5. Step 5: Solve for x
    x = 102,747,298.11/11,680.00
  6. Step 6: Final answer
    x = 8,796.86

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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.