Home / 8,149.49-12,226.38-2,602.95

Finding the Fourth Proportional to 8,149.49, 12,226.38 and 2,602.95

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Solution

The fourth proportional to 8,149.49, 12,226.38 and 2,602.95 is: 3,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.49 : 12,226.38 = 2,602.95 : x
  2. Step 2: Convert to fraction form
    8,149.49/12,226.38 = 2,602.95/x
  3. Step 3: Cross multiply
    8,149.49x = 12,226.38 × 2,602.95
  4. Step 4: Simplify right side
    8,149.49x = 31,824,600.21
  5. Step 5: Solve for x
    x = 31,824,600.21/8,149.49
  6. Step 6: Final answer
    x = 3,905.10

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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.