Home / 9,745.92-13,449.60-5,554.56

Finding the Fourth Proportional to 9,745.92, 13,449.60 and 5,554.56

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Solution

The fourth proportional to 9,745.92, 13,449.60 and 5,554.56 is: 7,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.92 : 13,449.60 = 5,554.56 : x
  2. Step 2: Convert to fraction form
    9,745.92/13,449.60 = 5,554.56/x
  3. Step 3: Cross multiply
    9,745.92x = 13,449.60 × 5,554.56
  4. Step 4: Simplify right side
    9,745.92x = 74,706,610.18
  5. Step 5: Solve for x
    x = 74,706,610.18/9,745.92
  6. Step 6: Final answer
    x = 7,665.42

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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.