Home / 12,016.73-16,579.46-6,979.97

Finding the Fourth Proportional to 12,016.73, 16,579.46 and 6,979.97

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Solution

The fourth proportional to 12,016.73, 16,579.46 and 6,979.97 is: 9,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.73 : 16,579.46 = 6,979.97 : x
  2. Step 2: Convert to fraction form
    12,016.73/16,579.46 = 6,979.97/x
  3. Step 3: Cross multiply
    12,016.73x = 16,579.46 × 6,979.97
  4. Step 4: Simplify right side
    12,016.73x = 115,724,192.31
  5. Step 5: Solve for x
    x = 115,724,192.31/12,016.73
  6. Step 6: Final answer
    x = 9,630.25

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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.