Home / 11,979.96-16,532.73-6,674.64

Finding the Fourth Proportional to 11,979.96, 16,532.73 and 6,674.64

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Solution

The fourth proportional to 11,979.96, 16,532.73 and 6,674.64 is: 9,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.96 : 16,532.73 = 6,674.64 : x
  2. Step 2: Convert to fraction form
    11,979.96/16,532.73 = 6,674.64/x
  3. Step 3: Cross multiply
    11,979.96x = 16,532.73 × 6,674.64
  4. Step 4: Simplify right side
    11,979.96x = 110,350,020.97
  5. Step 5: Solve for x
    x = 110,350,020.97/11,979.96
  6. Step 6: Final answer
    x = 9,211.22

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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.