Home / 9,722.88-13,414.44-5,745.36

Finding the Fourth Proportional to 9,722.88, 13,414.44 and 5,745.36

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Solution

The fourth proportional to 9,722.88, 13,414.44 and 5,745.36 is: 7,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.88 : 13,414.44 = 5,745.36 : x
  2. Step 2: Convert to fraction form
    9,722.88/13,414.44 = 5,745.36/x
  3. Step 3: Cross multiply
    9,722.88x = 13,414.44 × 5,745.36
  4. Step 4: Simplify right side
    9,722.88x = 77,070,787.00
  5. Step 5: Solve for x
    x = 77,070,787.00/9,722.88
  6. Step 6: Final answer
    x = 7,926.74

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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.