Home / 12,205.27-18,301.42-5,966.38

Finding the Fourth Proportional to 12,205.27, 18,301.42 and 5,966.38

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Solution

The fourth proportional to 12,205.27, 18,301.42 and 5,966.38 is: 8,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.27 : 18,301.42 = 5,966.38 : x
  2. Step 2: Convert to fraction form
    12,205.27/18,301.42 = 5,966.38/x
  3. Step 3: Cross multiply
    12,205.27x = 18,301.42 × 5,966.38
  4. Step 4: Simplify right side
    12,205.27x = 109,193,226.26
  5. Step 5: Solve for x
    x = 109,193,226.26/12,205.27
  6. Step 6: Final answer
    x = 8,946.40

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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.