Home / 10,161.77-15,243.41-2,766.81

Finding the Fourth Proportional to 10,161.77, 15,243.41 and 2,766.81

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Solution

The fourth proportional to 10,161.77, 15,243.41 and 2,766.81 is: 4,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.77 : 15,243.41 = 2,766.81 : x
  2. Step 2: Convert to fraction form
    10,161.77/15,243.41 = 2,766.81/x
  3. Step 3: Cross multiply
    10,161.77x = 15,243.41 × 2,766.81
  4. Step 4: Simplify right side
    10,161.77x = 42,175,619.22
  5. Step 5: Solve for x
    x = 42,175,619.22/10,161.77
  6. Step 6: Final answer
    x = 4,150.42

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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.