Home / 9,790.26-13,507.20-5,540.82

Finding the Fourth Proportional to 9,790.26, 13,507.20 and 5,540.82

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Solution

The fourth proportional to 9,790.26, 13,507.20 and 5,540.82 is: 7,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.26 : 13,507.20 = 5,540.82 : x
  2. Step 2: Convert to fraction form
    9,790.26/13,507.20 = 5,540.82/x
  3. Step 3: Cross multiply
    9,790.26x = 13,507.20 × 5,540.82
  4. Step 4: Simplify right side
    9,790.26x = 74,840,963.90
  5. Step 5: Solve for x
    x = 74,840,963.90/9,790.26
  6. Step 6: Final answer
    x = 7,644.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.