Home / 9,022.20-12,454.09-8,076.32

Finding the Fourth Proportional to 9,022.20, 12,454.09 and 8,076.32

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Solution

The fourth proportional to 9,022.20, 12,454.09 and 8,076.32 is: 11,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.20 : 12,454.09 = 8,076.32 : x
  2. Step 2: Convert to fraction form
    9,022.20/12,454.09 = 8,076.32/x
  3. Step 3: Cross multiply
    9,022.20x = 12,454.09 × 8,076.32
  4. Step 4: Simplify right side
    9,022.20x = 100,583,180.39
  5. Step 5: Solve for x
    x = 100,583,180.39/9,022.20
  6. Step 6: Final answer
    x = 11,148.41

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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.