Home / 12,195.08-18,290.78-4,696.71

Finding the Fourth Proportional to 12,195.08, 18,290.78 and 4,696.71

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Solution

The fourth proportional to 12,195.08, 18,290.78 and 4,696.71 is: 7,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.08 : 18,290.78 = 4,696.71 : x
  2. Step 2: Convert to fraction form
    12,195.08/18,290.78 = 4,696.71/x
  3. Step 3: Cross multiply
    12,195.08x = 18,290.78 × 4,696.71
  4. Step 4: Simplify right side
    12,195.08x = 85,906,397.88
  5. Step 5: Solve for x
    x = 85,906,397.88/12,195.08
  6. Step 6: Final answer
    x = 7,044.35

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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.