Home / 10,775.36-16,162.99-2,770.12

Finding the Fourth Proportional to 10,775.36, 16,162.99 and 2,770.12

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Solution

The fourth proportional to 10,775.36, 16,162.99 and 2,770.12 is: 4,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.36 : 16,162.99 = 2,770.12 : x
  2. Step 2: Convert to fraction form
    10,775.36/16,162.99 = 2,770.12/x
  3. Step 3: Cross multiply
    10,775.36x = 16,162.99 × 2,770.12
  4. Step 4: Simplify right side
    10,775.36x = 44,773,414.93
  5. Step 5: Solve for x
    x = 44,773,414.93/10,775.36
  6. Step 6: Final answer
    x = 4,155.17

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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.