Home / 8,429.44-11,627.76-5,069.92

Finding the Fourth Proportional to 8,429.44, 11,627.76 and 5,069.92

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Solution

The fourth proportional to 8,429.44, 11,627.76 and 5,069.92 is: 6,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.44 : 11,627.76 = 5,069.92 : x
  2. Step 2: Convert to fraction form
    8,429.44/11,627.76 = 5,069.92/x
  3. Step 3: Cross multiply
    8,429.44x = 11,627.76 × 5,069.92
  4. Step 4: Simplify right side
    8,429.44x = 58,951,812.98
  5. Step 5: Solve for x
    x = 58,951,812.98/8,429.44
  6. Step 6: Final answer
    x = 6,993.56

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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.