Home / 7,622.14-11,425.41-5,157.22

Finding the Fourth Proportional to 7,622.14, 11,425.41 and 5,157.22

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Solution

The fourth proportional to 7,622.14, 11,425.41 and 5,157.22 is: 7,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.14 : 11,425.41 = 5,157.22 : x
  2. Step 2: Convert to fraction form
    7,622.14/11,425.41 = 5,157.22/x
  3. Step 3: Cross multiply
    7,622.14x = 11,425.41 × 5,157.22
  4. Step 4: Simplify right side
    7,622.14x = 58,923,324.40
  5. Step 5: Solve for x
    x = 58,923,324.40/7,622.14
  6. Step 6: Final answer
    x = 7,730.55

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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.