Home / 11,741.34-16,208.22-8,218.38

Finding the Fourth Proportional to 11,741.34, 16,208.22 and 8,218.38

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Solution

The fourth proportional to 11,741.34, 16,208.22 and 8,218.38 is: 11,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.34 : 16,208.22 = 8,218.38 : x
  2. Step 2: Convert to fraction form
    11,741.34/16,208.22 = 8,218.38/x
  3. Step 3: Cross multiply
    11,741.34x = 16,208.22 × 8,218.38
  4. Step 4: Simplify right side
    11,741.34x = 133,205,311.08
  5. Step 5: Solve for x
    x = 133,205,311.08/11,741.34
  6. Step 6: Final answer
    x = 11,344.98

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Double scale
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1.5x scale

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.