Home / 7,216.83-10,824.55-4,891.78

Finding the Fourth Proportional to 7,216.83, 10,824.55 and 4,891.78

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Solution

The fourth proportional to 7,216.83, 10,824.55 and 4,891.78 is: 7,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.83 : 10,824.55 = 4,891.78 : x
  2. Step 2: Convert to fraction form
    7,216.83/10,824.55 = 4,891.78/x
  3. Step 3: Cross multiply
    7,216.83x = 10,824.55 × 4,891.78
  4. Step 4: Simplify right side
    7,216.83x = 52,951,310.16
  5. Step 5: Solve for x
    x = 52,951,310.16/7,216.83
  6. Step 6: Final answer
    x = 7,337.19

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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.