Home / 12,234.13-16,883.09-6,645.13

Finding the Fourth Proportional to 12,234.13, 16,883.09 and 6,645.13

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Solution

The fourth proportional to 12,234.13, 16,883.09 and 6,645.13 is: 9,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.13 : 16,883.09 = 6,645.13 : x
  2. Step 2: Convert to fraction form
    12,234.13/16,883.09 = 6,645.13/x
  3. Step 3: Cross multiply
    12,234.13x = 16,883.09 × 6,645.13
  4. Step 4: Simplify right side
    12,234.13x = 112,190,327.85
  5. Step 5: Solve for x
    x = 112,190,327.85/12,234.13
  6. Step 6: Final answer
    x = 9,170.27

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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.