Home / 9,745.20-13,448.52-5,553.36

Finding the Fourth Proportional to 9,745.20, 13,448.52 and 5,553.36

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Solution

The fourth proportional to 9,745.20, 13,448.52 and 5,553.36 is: 7,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.20 : 13,448.52 = 5,553.36 : x
  2. Step 2: Convert to fraction form
    9,745.20/13,448.52 = 5,553.36/x
  3. Step 3: Cross multiply
    9,745.20x = 13,448.52 × 5,553.36
  4. Step 4: Simplify right side
    9,745.20x = 74,684,473.03
  5. Step 5: Solve for x
    x = 74,684,473.03/9,745.20
  6. Step 6: Final answer
    x = 7,663.72

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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.