Home / 9,553.52-13,183.80-5,520.26

Finding the Fourth Proportional to 9,553.52, 13,183.80 and 5,520.26

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Solution

The fourth proportional to 9,553.52, 13,183.80 and 5,520.26 is: 7,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.52 : 13,183.80 = 5,520.26 : x
  2. Step 2: Convert to fraction form
    9,553.52/13,183.80 = 5,520.26/x
  3. Step 3: Cross multiply
    9,553.52x = 13,183.80 × 5,520.26
  4. Step 4: Simplify right side
    9,553.52x = 72,778,016.05
  5. Step 5: Solve for x
    x = 72,778,016.05/9,553.52
  6. Step 6: Final answer
    x = 7,617.92

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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.