Home / 7,111.73-10,676.84-5,469.41

Finding the Fourth Proportional to 7,111.73, 10,676.84 and 5,469.41

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Solution

The fourth proportional to 7,111.73, 10,676.84 and 5,469.41 is: 8,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.73 : 10,676.84 = 5,469.41 : x
  2. Step 2: Convert to fraction form
    7,111.73/10,676.84 = 5,469.41/x
  3. Step 3: Cross multiply
    7,111.73x = 10,676.84 × 5,469.41
  4. Step 4: Simplify right side
    7,111.73x = 58,396,014.81
  5. Step 5: Solve for x
    x = 58,396,014.81/7,111.73
  6. Step 6: Final answer
    x = 8,211.22

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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.