Home / 12,416.62-18,625.65-4,519.12

Finding the Fourth Proportional to 12,416.62, 18,625.65 and 4,519.12

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Solution

The fourth proportional to 12,416.62, 18,625.65 and 4,519.12 is: 6,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.62 : 18,625.65 = 4,519.12 : x
  2. Step 2: Convert to fraction form
    12,416.62/18,625.65 = 4,519.12/x
  3. Step 3: Cross multiply
    12,416.62x = 18,625.65 × 4,519.12
  4. Step 4: Simplify right side
    12,416.62x = 84,171,466.46
  5. Step 5: Solve for x
    x = 84,171,466.46/12,416.62
  6. Step 6: Final answer
    x = 6,778.94

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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.