Home / 6,111.26-9,161.58-2,213

Finding the Fourth Proportional to 6,111.26, 9,161.58 and 2,213

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Solution

The fourth proportional to 6,111.26, 9,161.58 and 2,213 is: 3,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.26 : 9,161.58 = 2,213 : x
  2. Step 2: Convert to fraction form
    6,111.26/9,161.58 = 2,213/x
  3. Step 3: Cross multiply
    6,111.26x = 9,161.58 × 2,213
  4. Step 4: Simplify right side
    6,111.26x = 20,274,576.54
  5. Step 5: Solve for x
    x = 20,274,576.54/6,111.26
  6. Step 6: Final answer
    x = 3,317.58

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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.