Home / 9,480.57-14,221.35-3,636.72

Finding the Fourth Proportional to 9,480.57, 14,221.35 and 3,636.72

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Solution

The fourth proportional to 9,480.57, 14,221.35 and 3,636.72 is: 5,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.57 : 14,221.35 = 3,636.72 : x
  2. Step 2: Convert to fraction form
    9,480.57/14,221.35 = 3,636.72/x
  3. Step 3: Cross multiply
    9,480.57x = 14,221.35 × 3,636.72
  4. Step 4: Simplify right side
    9,480.57x = 51,719,067.97
  5. Step 5: Solve for x
    x = 51,719,067.97/9,480.57
  6. Step 6: Final answer
    x = 5,455.27

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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.