Home / 8,928.44-12,321.32-4,949.62

Finding the Fourth Proportional to 8,928.44, 12,321.32 and 4,949.62

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Solution

The fourth proportional to 8,928.44, 12,321.32 and 4,949.62 is: 6,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.44 : 12,321.32 = 4,949.62 : x
  2. Step 2: Convert to fraction form
    8,928.44/12,321.32 = 4,949.62/x
  3. Step 3: Cross multiply
    8,928.44x = 12,321.32 × 4,949.62
  4. Step 4: Simplify right side
    8,928.44x = 60,985,851.90
  5. Step 5: Solve for x
    x = 60,985,851.90/8,928.44
  6. Step 6: Final answer
    x = 6,830.52

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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.