Home / 8,025.78-11,076.12-4,489.32

Finding the Fourth Proportional to 8,025.78, 11,076.12 and 4,489.32

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Solution

The fourth proportional to 8,025.78, 11,076.12 and 4,489.32 is: 6,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.78 : 11,076.12 = 4,489.32 : x
  2. Step 2: Convert to fraction form
    8,025.78/11,076.12 = 4,489.32/x
  3. Step 3: Cross multiply
    8,025.78x = 11,076.12 × 4,489.32
  4. Step 4: Simplify right side
    8,025.78x = 49,724,247.04
  5. Step 5: Solve for x
    x = 49,724,247.04/8,025.78
  6. Step 6: Final answer
    x = 6,195.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.