Home / 11,781.99-16,260.66-6,747.03

Finding the Fourth Proportional to 11,781.99, 16,260.66 and 6,747.03

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Solution

The fourth proportional to 11,781.99, 16,260.66 and 6,747.03 is: 9,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.99 : 16,260.66 = 6,747.03 : x
  2. Step 2: Convert to fraction form
    11,781.99/16,260.66 = 6,747.03/x
  3. Step 3: Cross multiply
    11,781.99x = 16,260.66 × 6,747.03
  4. Step 4: Simplify right side
    11,781.99x = 109,711,160.84
  5. Step 5: Solve for x
    x = 109,711,160.84/11,781.99
  6. Step 6: Final answer
    x = 9,311.77

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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.