Home / 11,781.12-16,258.31-6,746.97

Finding the Fourth Proportional to 11,781.12, 16,258.31 and 6,746.97

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Solution

The fourth proportional to 11,781.12, 16,258.31 and 6,746.97 is: 9,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.12 : 16,258.31 = 6,746.97 : x
  2. Step 2: Convert to fraction form
    11,781.12/16,258.31 = 6,746.97/x
  3. Step 3: Cross multiply
    11,781.12x = 16,258.31 × 6,746.97
  4. Step 4: Simplify right side
    11,781.12x = 109,694,346.69
  5. Step 5: Solve for x
    x = 109,694,346.69/11,781.12
  6. Step 6: Final answer
    x = 9,311.03

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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.