Home / 8,917.22-13,383.43-4,972.32

Finding the Fourth Proportional to 8,917.22, 13,383.43 and 4,972.32

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Solution

The fourth proportional to 8,917.22, 13,383.43 and 4,972.32 is: 7,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.22 : 13,383.43 = 4,972.32 : x
  2. Step 2: Convert to fraction form
    8,917.22/13,383.43 = 4,972.32/x
  3. Step 3: Cross multiply
    8,917.22x = 13,383.43 × 4,972.32
  4. Step 4: Simplify right side
    8,917.22x = 66,546,684.23
  5. Step 5: Solve for x
    x = 66,546,684.23/8,917.22
  6. Step 6: Final answer
    x = 7,462.71

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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.