Home / 10,983.66-15,157.71-6,268.38

Finding the Fourth Proportional to 10,983.66, 15,157.71 and 6,268.38

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Solution

The fourth proportional to 10,983.66, 15,157.71 and 6,268.38 is: 8,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.66 : 15,157.71 = 6,268.38 : x
  2. Step 2: Convert to fraction form
    10,983.66/15,157.71 = 6,268.38/x
  3. Step 3: Cross multiply
    10,983.66x = 15,157.71 × 6,268.38
  4. Step 4: Simplify right side
    10,983.66x = 95,014,286.21
  5. Step 5: Solve for x
    x = 95,014,286.21/10,983.66
  6. Step 6: Final answer
    x = 8,650.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.