Home / 11,207.32-16,810.98-11,191.12

Finding the Fourth Proportional to 11,207.32, 16,810.98 and 11,191.12

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Solution

The fourth proportional to 11,207.32, 16,810.98 and 11,191.12 is: 16,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.32 : 16,810.98 = 11,191.12 : x
  2. Step 2: Convert to fraction form
    11,207.32/16,810.98 = 11,191.12/x
  3. Step 3: Cross multiply
    11,207.32x = 16,810.98 × 11,191.12
  4. Step 4: Simplify right side
    11,207.32x = 188,133,694.50
  5. Step 5: Solve for x
    x = 188,133,694.50/11,207.32
  6. Step 6: Final answer
    x = 16,786.68

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Double scale
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Similar ratio
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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.