Home / 11,910.22-16,436.05-6,605.02

Finding the Fourth Proportional to 11,910.22, 16,436.05 and 6,605.02

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Solution

The fourth proportional to 11,910.22, 16,436.05 and 6,605.02 is: 9,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.22 : 16,436.05 = 6,605.02 : x
  2. Step 2: Convert to fraction form
    11,910.22/16,436.05 = 6,605.02/x
  3. Step 3: Cross multiply
    11,910.22x = 16,436.05 × 6,605.02
  4. Step 4: Simplify right side
    11,910.22x = 108,560,443.00
  5. Step 5: Solve for x
    x = 108,560,443.00/11,910.22
  6. Step 6: Final answer
    x = 9,114.90

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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.