Home / 9,540.25-14,305.51-3,992.09

Finding the Fourth Proportional to 9,540.25, 14,305.51 and 3,992.09

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Solution

The fourth proportional to 9,540.25, 14,305.51 and 3,992.09 is: 5,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.25 : 14,305.51 = 3,992.09 : x
  2. Step 2: Convert to fraction form
    9,540.25/14,305.51 = 3,992.09/x
  3. Step 3: Cross multiply
    9,540.25x = 14,305.51 × 3,992.09
  4. Step 4: Simplify right side
    9,540.25x = 57,108,883.42
  5. Step 5: Solve for x
    x = 57,108,883.42/9,540.25
  6. Step 6: Final answer
    x = 5,986.10

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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.