Home / 10,815.92-16,233.99-6,664.05

Finding the Fourth Proportional to 10,815.92, 16,233.99 and 6,664.05

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Solution

The fourth proportional to 10,815.92, 16,233.99 and 6,664.05 is: 10,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.92 : 16,233.99 = 6,664.05 : x
  2. Step 2: Convert to fraction form
    10,815.92/16,233.99 = 6,664.05/x
  3. Step 3: Cross multiply
    10,815.92x = 16,233.99 × 6,664.05
  4. Step 4: Simplify right side
    10,815.92x = 108,184,121.06
  5. Step 5: Solve for x
    x = 108,184,121.06/10,815.92
  6. Step 6: Final answer
    x = 10,002.31

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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.