Home / 10,104.53-13,944.62-5,628.78

Finding the Fourth Proportional to 10,104.53, 13,944.62 and 5,628.78

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Solution

The fourth proportional to 10,104.53, 13,944.62 and 5,628.78 is: 7,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.53 : 13,944.62 = 5,628.78 : x
  2. Step 2: Convert to fraction form
    10,104.53/13,944.62 = 5,628.78/x
  3. Step 3: Cross multiply
    10,104.53x = 13,944.62 × 5,628.78
  4. Step 4: Simplify right side
    10,104.53x = 78,491,212.24
  5. Step 5: Solve for x
    x = 78,491,212.24/10,104.53
  6. Step 6: Final answer
    x = 7,767.93

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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.