Home / 10,481.28-14,464.32-5,765.76

Finding the Fourth Proportional to 10,481.28, 14,464.32 and 5,765.76

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Solution

The fourth proportional to 10,481.28, 14,464.32 and 5,765.76 is: 7,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.28 : 14,464.32 = 5,765.76 : x
  2. Step 2: Convert to fraction form
    10,481.28/14,464.32 = 5,765.76/x
  3. Step 3: Cross multiply
    10,481.28x = 14,464.32 × 5,765.76
  4. Step 4: Simplify right side
    10,481.28x = 83,397,797.68
  5. Step 5: Solve for x
    x = 83,397,797.68/10,481.28
  6. Step 6: Final answer
    x = 7,956.83

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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.