Home / 7,988.44-11,023.94-4,451.64

Finding the Fourth Proportional to 7,988.44, 11,023.94 and 4,451.64

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Solution

The fourth proportional to 7,988.44, 11,023.94 and 4,451.64 is: 6,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.44 : 11,023.94 = 4,451.64 : x
  2. Step 2: Convert to fraction form
    7,988.44/11,023.94 = 4,451.64/x
  3. Step 3: Cross multiply
    7,988.44x = 11,023.94 × 4,451.64
  4. Step 4: Simplify right side
    7,988.44x = 49,074,623.39
  5. Step 5: Solve for x
    x = 49,074,623.39/7,988.44
  6. Step 6: Final answer
    x = 6,143.21

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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.