Home / 9,745.42-13,449.33-5,553.70

Finding the Fourth Proportional to 9,745.42, 13,449.33 and 5,553.70

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Solution

The fourth proportional to 9,745.42, 13,449.33 and 5,553.70 is: 7,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.42 : 13,449.33 = 5,553.70 : x
  2. Step 2: Convert to fraction form
    9,745.42/13,449.33 = 5,553.70/x
  3. Step 3: Cross multiply
    9,745.42x = 13,449.33 × 5,553.70
  4. Step 4: Simplify right side
    9,745.42x = 74,693,544.02
  5. Step 5: Solve for x
    x = 74,693,544.02/9,745.42
  6. Step 6: Final answer
    x = 7,664.48

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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.