Home / 8,104.10-11,183.67-4,378.10

Finding the Fourth Proportional to 8,104.10, 11,183.67 and 4,378.10

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Solution

The fourth proportional to 8,104.10, 11,183.67 and 4,378.10 is: 6,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.10 : 11,183.67 = 4,378.10 : x
  2. Step 2: Convert to fraction form
    8,104.10/11,183.67 = 4,378.10/x
  3. Step 3: Cross multiply
    8,104.10x = 11,183.67 × 4,378.10
  4. Step 4: Simplify right side
    8,104.10x = 48,963,253.59
  5. Step 5: Solve for x
    x = 48,963,253.59/8,104.10
  6. Step 6: Final answer
    x = 6,041.79

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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.