Home / 11,180.15-16,770.14-2,860.14

Finding the Fourth Proportional to 11,180.15, 16,770.14 and 2,860.14

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Solution

The fourth proportional to 11,180.15, 16,770.14 and 2,860.14 is: 4,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.15 : 16,770.14 = 2,860.14 : x
  2. Step 2: Convert to fraction form
    11,180.15/16,770.14 = 2,860.14/x
  3. Step 3: Cross multiply
    11,180.15x = 16,770.14 × 2,860.14
  4. Step 4: Simplify right side
    11,180.15x = 47,965,007.53
  5. Step 5: Solve for x
    x = 47,965,007.53/11,180.15
  6. Step 6: Final answer
    x = 4,290.19

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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.