Home / 9,520.62-13,135.26-5,538.48

Finding the Fourth Proportional to 9,520.62, 13,135.26 and 5,538.48

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Solution

The fourth proportional to 9,520.62, 13,135.26 and 5,538.48 is: 7,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.62 : 13,135.26 = 5,538.48 : x
  2. Step 2: Convert to fraction form
    9,520.62/13,135.26 = 5,538.48/x
  3. Step 3: Cross multiply
    9,520.62x = 13,135.26 × 5,538.48
  4. Step 4: Simplify right side
    9,520.62x = 72,749,374.80
  5. Step 5: Solve for x
    x = 72,749,374.80/9,520.62
  6. Step 6: Final answer
    x = 7,641.24

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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.