Home / 7,914.28-11,880.59-4,629.73

Finding the Fourth Proportional to 7,914.28, 11,880.59 and 4,629.73

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Solution

The fourth proportional to 7,914.28, 11,880.59 and 4,629.73 is: 6,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.28 : 11,880.59 = 4,629.73 : x
  2. Step 2: Convert to fraction form
    7,914.28/11,880.59 = 4,629.73/x
  3. Step 3: Cross multiply
    7,914.28x = 11,880.59 × 4,629.73
  4. Step 4: Simplify right side
    7,914.28x = 55,003,923.94
  5. Step 5: Solve for x
    x = 55,003,923.94/7,914.28
  6. Step 6: Final answer
    x = 6,949.96

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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.