Home / 9,521.22-13,144.44-5,745.06

Finding the Fourth Proportional to 9,521.22, 13,144.44 and 5,745.06

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Solution

The fourth proportional to 9,521.22, 13,144.44 and 5,745.06 is: 7,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.22 : 13,144.44 = 5,745.06 : x
  2. Step 2: Convert to fraction form
    9,521.22/13,144.44 = 5,745.06/x
  3. Step 3: Cross multiply
    9,521.22x = 13,144.44 × 5,745.06
  4. Step 4: Simplify right side
    9,521.22x = 75,515,596.47
  5. Step 5: Solve for x
    x = 75,515,596.47/9,521.22
  6. Step 6: Final answer
    x = 7,931.29

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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.