Home / 7,944.46-11,922.12-5,314.96

Finding the Fourth Proportional to 7,944.46, 11,922.12 and 5,314.96

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Solution

The fourth proportional to 7,944.46, 11,922.12 and 5,314.96 is: 7,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.46 : 11,922.12 = 5,314.96 : x
  2. Step 2: Convert to fraction form
    7,944.46/11,922.12 = 5,314.96/x
  3. Step 3: Cross multiply
    7,944.46x = 11,922.12 × 5,314.96
  4. Step 4: Simplify right side
    7,944.46x = 63,365,590.92
  5. Step 5: Solve for x
    x = 63,365,590.92/7,944.46
  6. Step 6: Final answer
    x = 7,976.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.