Home / 12,217.29-18,324.31-3,452.88

Finding the Fourth Proportional to 12,217.29, 18,324.31 and 3,452.88

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Solution

The fourth proportional to 12,217.29, 18,324.31 and 3,452.88 is: 5,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.29 : 18,324.31 = 3,452.88 : x
  2. Step 2: Convert to fraction form
    12,217.29/18,324.31 = 3,452.88/x
  3. Step 3: Cross multiply
    12,217.29x = 18,324.31 × 3,452.88
  4. Step 4: Simplify right side
    12,217.29x = 63,271,643.51
  5. Step 5: Solve for x
    x = 63,271,643.51/12,217.29
  6. Step 6: Final answer
    x = 5,178.86

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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.