Home / 11,833.96-16,331.72-6,799

Finding the Fourth Proportional to 11,833.96, 16,331.72 and 6,799

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Solution

The fourth proportional to 11,833.96, 16,331.72 and 6,799 is: 9,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.96 : 16,331.72 = 6,799 : x
  2. Step 2: Convert to fraction form
    11,833.96/16,331.72 = 6,799/x
  3. Step 3: Cross multiply
    11,833.96x = 16,331.72 × 6,799
  4. Step 4: Simplify right side
    11,833.96x = 111,039,364.28
  5. Step 5: Solve for x
    x = 111,039,364.28/11,833.96
  6. Step 6: Final answer
    x = 9,383.11

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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.