Home / 10,820.45-16,233.38-3,029.20

Finding the Fourth Proportional to 10,820.45, 16,233.38 and 3,029.20

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Solution

The fourth proportional to 10,820.45, 16,233.38 and 3,029.20 is: 4,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.45 : 16,233.38 = 3,029.20 : x
  2. Step 2: Convert to fraction form
    10,820.45/16,233.38 = 3,029.20/x
  3. Step 3: Cross multiply
    10,820.45x = 16,233.38 × 3,029.20
  4. Step 4: Simplify right side
    10,820.45x = 49,174,154.70
  5. Step 5: Solve for x
    x = 49,174,154.70/10,820.45
  6. Step 6: Final answer
    x = 4,544.56

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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.