Home / 12,805.11-17,662.73-9,033.75

Finding the Fourth Proportional to 12,805.11, 17,662.73 and 9,033.75

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Solution

The fourth proportional to 12,805.11, 17,662.73 and 9,033.75 is: 12,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.11 : 17,662.73 = 9,033.75 : x
  2. Step 2: Convert to fraction form
    12,805.11/17,662.73 = 9,033.75/x
  3. Step 3: Cross multiply
    12,805.11x = 17,662.73 × 9,033.75
  4. Step 4: Simplify right side
    12,805.11x = 159,560,641.97
  5. Step 5: Solve for x
    x = 159,560,641.97/12,805.11
  6. Step 6: Final answer
    x = 12,460.70

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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.