Home / 10,820.70-16,230.69-3,324.24

Finding the Fourth Proportional to 10,820.70, 16,230.69 and 3,324.24

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Solution

The fourth proportional to 10,820.70, 16,230.69 and 3,324.24 is: 4,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.70 : 16,230.69 = 3,324.24 : x
  2. Step 2: Convert to fraction form
    10,820.70/16,230.69 = 3,324.24/x
  3. Step 3: Cross multiply
    10,820.70x = 16,230.69 × 3,324.24
  4. Step 4: Simplify right side
    10,820.70x = 53,954,708.93
  5. Step 5: Solve for x
    x = 53,954,708.93/10,820.70
  6. Step 6: Final answer
    x = 4,986.25

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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.