Home / 12,214.62-18,315.75-5,965.27

Finding the Fourth Proportional to 12,214.62, 18,315.75 and 5,965.27

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Solution

The fourth proportional to 12,214.62, 18,315.75 and 5,965.27 is: 8,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.62 : 18,315.75 = 5,965.27 : x
  2. Step 2: Convert to fraction form
    12,214.62/18,315.75 = 5,965.27/x
  3. Step 3: Cross multiply
    12,214.62x = 18,315.75 × 5,965.27
  4. Step 4: Simplify right side
    12,214.62x = 109,258,371.76
  5. Step 5: Solve for x
    x = 109,258,371.76/12,214.62
  6. Step 6: Final answer
    x = 8,944.88

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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.