Home / 8,110.16-11,197.17-6,621.60

Finding the Fourth Proportional to 8,110.16, 11,197.17 and 6,621.60

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Solution

The fourth proportional to 8,110.16, 11,197.17 and 6,621.60 is: 9,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.16 : 11,197.17 = 6,621.60 : x
  2. Step 2: Convert to fraction form
    8,110.16/11,197.17 = 6,621.60/x
  3. Step 3: Cross multiply
    8,110.16x = 11,197.17 × 6,621.60
  4. Step 4: Simplify right side
    8,110.16x = 74,143,180.87
  5. Step 5: Solve for x
    x = 74,143,180.87/8,110.16
  6. Step 6: Final answer
    x = 9,142.02

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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.