Home / 11,733.12-16,189.20-7,255.44

Finding the Fourth Proportional to 11,733.12, 16,189.20 and 7,255.44

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Solution

The fourth proportional to 11,733.12, 16,189.20 and 7,255.44 is: 10,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.12 : 16,189.20 = 7,255.44 : x
  2. Step 2: Convert to fraction form
    11,733.12/16,189.20 = 7,255.44/x
  3. Step 3: Cross multiply
    11,733.12x = 16,189.20 × 7,255.44
  4. Step 4: Simplify right side
    11,733.12x = 117,459,769.25
  5. Step 5: Solve for x
    x = 117,459,769.25/11,733.12
  6. Step 6: Final answer
    x = 10,010.96

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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.