Home / 10,786.35-16,181.84-6,108.57

Finding the Fourth Proportional to 10,786.35, 16,181.84 and 6,108.57

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Solution

The fourth proportional to 10,786.35, 16,181.84 and 6,108.57 is: 9,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.35 : 16,181.84 = 6,108.57 : x
  2. Step 2: Convert to fraction form
    10,786.35/16,181.84 = 6,108.57/x
  3. Step 3: Cross multiply
    10,786.35x = 16,181.84 × 6,108.57
  4. Step 4: Simplify right side
    10,786.35x = 98,847,871.83
  5. Step 5: Solve for x
    x = 98,847,871.83/10,786.35
  6. Step 6: Final answer
    x = 9,164.16

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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.