Home / 10,100.22-13,944.96-6,516.78

Finding the Fourth Proportional to 10,100.22, 13,944.96 and 6,516.78

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Solution

The fourth proportional to 10,100.22, 13,944.96 and 6,516.78 is: 8,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.22 : 13,944.96 = 6,516.78 : x
  2. Step 2: Convert to fraction form
    10,100.22/13,944.96 = 6,516.78/x
  3. Step 3: Cross multiply
    10,100.22x = 13,944.96 × 6,516.78
  4. Step 4: Simplify right side
    10,100.22x = 90,876,236.43
  5. Step 5: Solve for x
    x = 90,876,236.43/10,100.22
  6. Step 6: Final answer
    x = 8,997.45

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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.