Home / 7,904.62-11,847.46-3,682.18

Finding the Fourth Proportional to 7,904.62, 11,847.46 and 3,682.18

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Solution

The fourth proportional to 7,904.62, 11,847.46 and 3,682.18 is: 5,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.62 : 11,847.46 = 3,682.18 : x
  2. Step 2: Convert to fraction form
    7,904.62/11,847.46 = 3,682.18/x
  3. Step 3: Cross multiply
    7,904.62x = 11,847.46 × 3,682.18
  4. Step 4: Simplify right side
    7,904.62x = 43,624,480.26
  5. Step 5: Solve for x
    x = 43,624,480.26/7,904.62
  6. Step 6: Final answer
    x = 5,518.86

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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.