Home / 8,153.17-12,222.84-3,226.28

Finding the Fourth Proportional to 8,153.17, 12,222.84 and 3,226.28

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Solution

The fourth proportional to 8,153.17, 12,222.84 and 3,226.28 is: 4,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.17 : 12,222.84 = 3,226.28 : x
  2. Step 2: Convert to fraction form
    8,153.17/12,222.84 = 3,226.28/x
  3. Step 3: Cross multiply
    8,153.17x = 12,222.84 × 3,226.28
  4. Step 4: Simplify right side
    8,153.17x = 39,434,304.24
  5. Step 5: Solve for x
    x = 39,434,304.24/8,153.17
  6. Step 6: Final answer
    x = 4,836.69

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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.