Home / 10,983.06-16,476.20-3,190.86

Finding the Fourth Proportional to 10,983.06, 16,476.20 and 3,190.86

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Solution

The fourth proportional to 10,983.06, 16,476.20 and 3,190.86 is: 4,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.06 : 16,476.20 = 3,190.86 : x
  2. Step 2: Convert to fraction form
    10,983.06/16,476.20 = 3,190.86/x
  3. Step 3: Cross multiply
    10,983.06x = 16,476.20 × 3,190.86
  4. Step 4: Simplify right side
    10,983.06x = 52,573,247.53
  5. Step 5: Solve for x
    x = 52,573,247.53/10,983.06
  6. Step 6: Final answer
    x = 4,786.76

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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.