Home / 12,308.66-18,466.20-4,410.86

Finding the Fourth Proportional to 12,308.66, 18,466.20 and 4,410.86

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Solution

The fourth proportional to 12,308.66, 18,466.20 and 4,410.86 is: 6,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.66 : 18,466.20 = 4,410.86 : x
  2. Step 2: Convert to fraction form
    12,308.66/18,466.20 = 4,410.86/x
  3. Step 3: Cross multiply
    12,308.66x = 18,466.20 × 4,410.86
  4. Step 4: Simplify right side
    12,308.66x = 81,451,822.93
  5. Step 5: Solve for x
    x = 81,451,822.93/12,308.66
  6. Step 6: Final answer
    x = 6,617.44

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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.