Home / 8,151.17-12,219.84-3,224.27

Finding the Fourth Proportional to 8,151.17, 12,219.84 and 3,224.27

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Solution

The fourth proportional to 8,151.17, 12,219.84 and 3,224.27 is: 4,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.17 : 12,219.84 = 3,224.27 : x
  2. Step 2: Convert to fraction form
    8,151.17/12,219.84 = 3,224.27/x
  3. Step 3: Cross multiply
    8,151.17x = 12,219.84 × 3,224.27
  4. Step 4: Simplify right side
    8,151.17x = 39,400,094.07
  5. Step 5: Solve for x
    x = 39,400,094.07/8,151.17
  6. Step 6: Final answer
    x = 4,833.68

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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.