Home / 8,995.28-13,497.08-3,446.78

Finding the Fourth Proportional to 8,995.28, 13,497.08 and 3,446.78

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Solution

The fourth proportional to 8,995.28, 13,497.08 and 3,446.78 is: 5,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.28 : 13,497.08 = 3,446.78 : x
  2. Step 2: Convert to fraction form
    8,995.28/13,497.08 = 3,446.78/x
  3. Step 3: Cross multiply
    8,995.28x = 13,497.08 × 3,446.78
  4. Step 4: Simplify right side
    8,995.28x = 46,521,380.68
  5. Step 5: Solve for x
    x = 46,521,380.68/8,995.28
  6. Step 6: Final answer
    x = 5,171.76

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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.