Home / 6,367.22-9,540.74-4,279.55

Finding the Fourth Proportional to 6,367.22, 9,540.74 and 4,279.55

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Solution

The fourth proportional to 6,367.22, 9,540.74 and 4,279.55 is: 6,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.22 : 9,540.74 = 4,279.55 : x
  2. Step 2: Convert to fraction form
    6,367.22/9,540.74 = 4,279.55/x
  3. Step 3: Cross multiply
    6,367.22x = 9,540.74 × 4,279.55
  4. Step 4: Simplify right side
    6,367.22x = 40,830,066.46
  5. Step 5: Solve for x
    x = 40,830,066.46/6,367.22
  6. Step 6: Final answer
    x = 6,412.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.