Home / 11,764.62-16,236.47-6,729.30

Finding the Fourth Proportional to 11,764.62, 16,236.47 and 6,729.30

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Solution

The fourth proportional to 11,764.62, 16,236.47 and 6,729.30 is: 9,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.62 : 16,236.47 = 6,729.30 : x
  2. Step 2: Convert to fraction form
    11,764.62/16,236.47 = 6,729.30/x
  3. Step 3: Cross multiply
    11,764.62x = 16,236.47 × 6,729.30
  4. Step 4: Simplify right side
    11,764.62x = 109,260,043.92
  5. Step 5: Solve for x
    x = 109,260,043.92/11,764.62
  6. Step 6: Final answer
    x = 9,287.17

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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.