Home / 7,453.85-11,180.44-2,188.65

Finding the Fourth Proportional to 7,453.85, 11,180.44 and 2,188.65

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Solution

The fourth proportional to 7,453.85, 11,180.44 and 2,188.65 is: 3,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.85 : 11,180.44 = 2,188.65 : x
  2. Step 2: Convert to fraction form
    7,453.85/11,180.44 = 2,188.65/x
  3. Step 3: Cross multiply
    7,453.85x = 11,180.44 × 2,188.65
  4. Step 4: Simplify right side
    7,453.85x = 24,470,064.53
  5. Step 5: Solve for x
    x = 24,470,064.53/7,453.85
  6. Step 6: Final answer
    x = 3,282.87

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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.