Home / 7,934.44-11,893.34-2,668.20

Finding the Fourth Proportional to 7,934.44, 11,893.34 and 2,668.20

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Solution

The fourth proportional to 7,934.44, 11,893.34 and 2,668.20 is: 3,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.44 : 11,893.34 = 2,668.20 : x
  2. Step 2: Convert to fraction form
    7,934.44/11,893.34 = 2,668.20/x
  3. Step 3: Cross multiply
    7,934.44x = 11,893.34 × 2,668.20
  4. Step 4: Simplify right side
    7,934.44x = 31,733,809.79
  5. Step 5: Solve for x
    x = 31,733,809.79/7,934.44
  6. Step 6: Final answer
    x = 3,999.50

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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.