Home / 7,450.87-11,180.15-4,953.79

Finding the Fourth Proportional to 7,450.87, 11,180.15 and 4,953.79

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Solution

The fourth proportional to 7,450.87, 11,180.15 and 4,953.79 is: 7,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.87 : 11,180.15 = 4,953.79 : x
  2. Step 2: Convert to fraction form
    7,450.87/11,180.15 = 4,953.79/x
  3. Step 3: Cross multiply
    7,450.87x = 11,180.15 × 4,953.79
  4. Step 4: Simplify right side
    7,450.87x = 55,384,115.27
  5. Step 5: Solve for x
    x = 55,384,115.27/7,450.87
  6. Step 6: Final answer
    x = 7,433.24

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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.