Home / 7,622.60-11,434.91-2,076.12

Finding the Fourth Proportional to 7,622.60, 11,434.91 and 2,076.12

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Solution

The fourth proportional to 7,622.60, 11,434.91 and 2,076.12 is: 3,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.60 : 11,434.91 = 2,076.12 : x
  2. Step 2: Convert to fraction form
    7,622.60/11,434.91 = 2,076.12/x
  3. Step 3: Cross multiply
    7,622.60x = 11,434.91 × 2,076.12
  4. Step 4: Simplify right side
    7,622.60x = 23,740,234.97
  5. Step 5: Solve for x
    x = 23,740,234.97/7,622.60
  6. Step 6: Final answer
    x = 3,114.46

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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.