Home / 11,371.32-17,007.66-6,680.16

Finding the Fourth Proportional to 11,371.32, 17,007.66 and 6,680.16

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Solution

The fourth proportional to 11,371.32, 17,007.66 and 6,680.16 is: 9,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.32 : 17,007.66 = 6,680.16 : x
  2. Step 2: Convert to fraction form
    11,371.32/17,007.66 = 6,680.16/x
  3. Step 3: Cross multiply
    11,371.32x = 17,007.66 × 6,680.16
  4. Step 4: Simplify right side
    11,371.32x = 113,613,890.03
  5. Step 5: Solve for x
    x = 113,613,890.03/11,371.32
  6. Step 6: Final answer
    x = 9,991.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.