Home / 10,820.07-16,230.15-3,028.68

Finding the Fourth Proportional to 10,820.07, 16,230.15 and 3,028.68

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Solution

The fourth proportional to 10,820.07, 16,230.15 and 3,028.68 is: 4,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.07 : 16,230.15 = 3,028.68 : x
  2. Step 2: Convert to fraction form
    10,820.07/16,230.15 = 3,028.68/x
  3. Step 3: Cross multiply
    10,820.07x = 16,230.15 × 3,028.68
  4. Step 4: Simplify right side
    10,820.07x = 49,155,930.70
  5. Step 5: Solve for x
    x = 49,155,930.70/10,820.07
  6. Step 6: Final answer
    x = 4,543.03

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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.