Home / 9,520.02-13,137.66-5,540.09

Finding the Fourth Proportional to 9,520.02, 13,137.66 and 5,540.09

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Solution

The fourth proportional to 9,520.02, 13,137.66 and 5,540.09 is: 7,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.02 : 13,137.66 = 5,540.09 : x
  2. Step 2: Convert to fraction form
    9,520.02/13,137.66 = 5,540.09/x
  3. Step 3: Cross multiply
    9,520.02x = 13,137.66 × 5,540.09
  4. Step 4: Simplify right side
    9,520.02x = 72,783,753.10
  5. Step 5: Solve for x
    x = 72,783,753.10/9,520.02
  6. Step 6: Final answer
    x = 7,645.34

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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.