Home / 8,863.20-12,231.36-4,884.26

Finding the Fourth Proportional to 8,863.20, 12,231.36 and 4,884.26

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Solution

The fourth proportional to 8,863.20, 12,231.36 and 4,884.26 is: 6,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.20 : 12,231.36 = 4,884.26 : x
  2. Step 2: Convert to fraction form
    8,863.20/12,231.36 = 4,884.26/x
  3. Step 3: Cross multiply
    8,863.20x = 12,231.36 × 4,884.26
  4. Step 4: Simplify right side
    8,863.20x = 59,741,081.24
  5. Step 5: Solve for x
    x = 59,741,081.24/8,863.20
  6. Step 6: Final answer
    x = 6,740.35

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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.