Home / 11,183.70-16,786.35-5,643.30

Finding the Fourth Proportional to 11,183.70, 16,786.35 and 5,643.30

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Solution

The fourth proportional to 11,183.70, 16,786.35 and 5,643.30 is: 8,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.70 : 16,786.35 = 5,643.30 : x
  2. Step 2: Convert to fraction form
    11,183.70/16,786.35 = 5,643.30/x
  3. Step 3: Cross multiply
    11,183.70x = 16,786.35 × 5,643.30
  4. Step 4: Simplify right side
    11,183.70x = 94,730,408.96
  5. Step 5: Solve for x
    x = 94,730,408.96/11,183.70
  6. Step 6: Final answer
    x = 8,470.40

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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.