Home / 6,644.16-9,167.26-4,220.64

Finding the Fourth Proportional to 6,644.16, 9,167.26 and 4,220.64

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Solution

The fourth proportional to 6,644.16, 9,167.26 and 4,220.64 is: 5,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.16 : 9,167.26 = 4,220.64 : x
  2. Step 2: Convert to fraction form
    6,644.16/9,167.26 = 4,220.64/x
  3. Step 3: Cross multiply
    6,644.16x = 9,167.26 × 4,220.64
  4. Step 4: Simplify right side
    6,644.16x = 38,691,704.25
  5. Step 5: Solve for x
    x = 38,691,704.25/6,644.16
  6. Step 6: Final answer
    x = 5,823.42

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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.