Home / 7,982.26-11,015.53-4,625.72

Finding the Fourth Proportional to 7,982.26, 11,015.53 and 4,625.72

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Solution

The fourth proportional to 7,982.26, 11,015.53 and 4,625.72 is: 6,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.26 : 11,015.53 = 4,625.72 : x
  2. Step 2: Convert to fraction form
    7,982.26/11,015.53 = 4,625.72/x
  3. Step 3: Cross multiply
    7,982.26x = 11,015.53 × 4,625.72
  4. Step 4: Simplify right side
    7,982.26x = 50,954,679.23
  5. Step 5: Solve for x
    x = 50,954,679.23/7,982.26
  6. Step 6: Final answer
    x = 6,383.49

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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.