Home / 10,192.20-15,288.21-3,266.70

Finding the Fourth Proportional to 10,192.20, 15,288.21 and 3,266.70

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Solution

The fourth proportional to 10,192.20, 15,288.21 and 3,266.70 is: 4,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.20 : 15,288.21 = 3,266.70 : x
  2. Step 2: Convert to fraction form
    10,192.20/15,288.21 = 3,266.70/x
  3. Step 3: Cross multiply
    10,192.20x = 15,288.21 × 3,266.70
  4. Step 4: Simplify right side
    10,192.20x = 49,941,995.61
  5. Step 5: Solve for x
    x = 49,941,995.61/10,192.20
  6. Step 6: Final answer
    x = 4,900.02

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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.