Home / 10,850.80-16,278.72-4,276.48

Finding the Fourth Proportional to 10,850.80, 16,278.72 and 4,276.48

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Solution

The fourth proportional to 10,850.80, 16,278.72 and 4,276.48 is: 6,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.80 : 16,278.72 = 4,276.48 : x
  2. Step 2: Convert to fraction form
    10,850.80/16,278.72 = 4,276.48/x
  3. Step 3: Cross multiply
    10,850.80x = 16,278.72 × 4,276.48
  4. Step 4: Simplify right side
    10,850.80x = 69,615,620.51
  5. Step 5: Solve for x
    x = 69,615,620.51/10,850.80
  6. Step 6: Final answer
    x = 6,415.71

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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.