Home / 7,906.06-10,912.19-4,550.81

Finding the Fourth Proportional to 7,906.06, 10,912.19 and 4,550.81

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Solution

The fourth proportional to 7,906.06, 10,912.19 and 4,550.81 is: 6,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.06 : 10,912.19 = 4,550.81 : x
  2. Step 2: Convert to fraction form
    7,906.06/10,912.19 = 4,550.81/x
  3. Step 3: Cross multiply
    7,906.06x = 10,912.19 × 4,550.81
  4. Step 4: Simplify right side
    7,906.06x = 49,659,303.37
  5. Step 5: Solve for x
    x = 49,659,303.37/7,906.06
  6. Step 6: Final answer
    x = 6,281.17

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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.