Home / 10,571.46-15,855.12-3,995.88

Finding the Fourth Proportional to 10,571.46, 15,855.12 and 3,995.88

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Solution

The fourth proportional to 10,571.46, 15,855.12 and 3,995.88 is: 5,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.46 : 15,855.12 = 3,995.88 : x
  2. Step 2: Convert to fraction form
    10,571.46/15,855.12 = 3,995.88/x
  3. Step 3: Cross multiply
    10,571.46x = 15,855.12 × 3,995.88
  4. Step 4: Simplify right side
    10,571.46x = 63,355,156.91
  5. Step 5: Solve for x
    x = 63,355,156.91/10,571.46
  6. Step 6: Final answer
    x = 5,993.04

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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.