Home / 9,745.12-13,447.96-5,497.48

Finding the Fourth Proportional to 9,745.12, 13,447.96 and 5,497.48

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Solution

The fourth proportional to 9,745.12, 13,447.96 and 5,497.48 is: 7,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.12 : 13,447.96 = 5,497.48 : x
  2. Step 2: Convert to fraction form
    9,745.12/13,447.96 = 5,497.48/x
  3. Step 3: Cross multiply
    9,745.12x = 13,447.96 × 5,497.48
  4. Step 4: Simplify right side
    9,745.12x = 73,929,891.14
  5. Step 5: Solve for x
    x = 73,929,891.14/9,745.12
  6. Step 6: Final answer
    x = 7,586.35

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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.