Home / 12,217.08-18,327.42-4,424.07

Finding the Fourth Proportional to 12,217.08, 18,327.42 and 4,424.07

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Solution

The fourth proportional to 12,217.08, 18,327.42 and 4,424.07 is: 6,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.08 : 18,327.42 = 4,424.07 : x
  2. Step 2: Convert to fraction form
    12,217.08/18,327.42 = 4,424.07/x
  3. Step 3: Cross multiply
    12,217.08x = 18,327.42 × 4,424.07
  4. Step 4: Simplify right side
    12,217.08x = 81,081,789.00
  5. Step 5: Solve for x
    x = 81,081,789.00/12,217.08
  6. Step 6: Final answer
    x = 6,636.76

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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.