Home / 9,109.97-12,577.22-5,971.62

Finding the Fourth Proportional to 9,109.97, 12,577.22 and 5,971.62

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Solution

The fourth proportional to 9,109.97, 12,577.22 and 5,971.62 is: 8,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.97 : 12,577.22 = 5,971.62 : x
  2. Step 2: Convert to fraction form
    9,109.97/12,577.22 = 5,971.62/x
  3. Step 3: Cross multiply
    9,109.97x = 12,577.22 × 5,971.62
  4. Step 4: Simplify right side
    9,109.97x = 75,106,451.79
  5. Step 5: Solve for x
    x = 75,106,451.79/9,109.97
  6. Step 6: Final answer
    x = 8,244.42

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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.