Home / 8,399.85-11,591.04-4,863.30

Finding the Fourth Proportional to 8,399.85, 11,591.04 and 4,863.30

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Solution

The fourth proportional to 8,399.85, 11,591.04 and 4,863.30 is: 6,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.85 : 11,591.04 = 4,863.30 : x
  2. Step 2: Convert to fraction form
    8,399.85/11,591.04 = 4,863.30/x
  3. Step 3: Cross multiply
    8,399.85x = 11,591.04 × 4,863.30
  4. Step 4: Simplify right side
    8,399.85x = 56,370,704.83
  5. Step 5: Solve for x
    x = 56,370,704.83/8,399.85
  6. Step 6: Final answer
    x = 6,710.92

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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.