Home / 11,138.19-16,630.94-9,493.89

Finding the Fourth Proportional to 11,138.19, 16,630.94 and 9,493.89

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Solution

The fourth proportional to 11,138.19, 16,630.94 and 9,493.89 is: 14,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.19 : 16,630.94 = 9,493.89 : x
  2. Step 2: Convert to fraction form
    11,138.19/16,630.94 = 9,493.89/x
  3. Step 3: Cross multiply
    11,138.19x = 16,630.94 × 9,493.89
  4. Step 4: Simplify right side
    11,138.19x = 157,892,267.49
  5. Step 5: Solve for x
    x = 157,892,267.49/11,138.19
  6. Step 6: Final answer
    x = 14,175.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.