Home / 12,232.20-18,336.15-5,646.90

Finding the Fourth Proportional to 12,232.20, 18,336.15 and 5,646.90

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Solution

The fourth proportional to 12,232.20, 18,336.15 and 5,646.90 is: 8,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.20 : 18,336.15 = 5,646.90 : x
  2. Step 2: Convert to fraction form
    12,232.20/18,336.15 = 5,646.90/x
  3. Step 3: Cross multiply
    12,232.20x = 18,336.15 × 5,646.90
  4. Step 4: Simplify right side
    12,232.20x = 103,542,405.44
  5. Step 5: Solve for x
    x = 103,542,405.44/12,232.20
  6. Step 6: Final answer
    x = 8,464.74

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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.