Home / 12,194.73-16,828.70-6,605.73

Finding the Fourth Proportional to 12,194.73, 16,828.70 and 6,605.73

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Solution

The fourth proportional to 12,194.73, 16,828.70 and 6,605.73 is: 9,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.73 : 16,828.70 = 6,605.73 : x
  2. Step 2: Convert to fraction form
    12,194.73/16,828.70 = 6,605.73/x
  3. Step 3: Cross multiply
    12,194.73x = 16,828.70 × 6,605.73
  4. Step 4: Simplify right side
    12,194.73x = 111,165,907.04
  5. Step 5: Solve for x
    x = 111,165,907.04/12,194.73
  6. Step 6: Final answer
    x = 9,115.90

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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.