Home / 10,755.66-16,133.43-4,186.44

Finding the Fourth Proportional to 10,755.66, 16,133.43 and 4,186.44

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Solution

The fourth proportional to 10,755.66, 16,133.43 and 4,186.44 is: 6,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.66 : 16,133.43 = 4,186.44 : x
  2. Step 2: Convert to fraction form
    10,755.66/16,133.43 = 4,186.44/x
  3. Step 3: Cross multiply
    10,755.66x = 16,133.43 × 4,186.44
  4. Step 4: Simplify right side
    10,755.66x = 67,541,636.69
  5. Step 5: Solve for x
    x = 67,541,636.69/10,755.66
  6. Step 6: Final answer
    x = 6,279.64

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1.5x scale

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.