Home / 10,990.33-16,484.82-4,745.97

Finding the Fourth Proportional to 10,990.33, 16,484.82 and 4,745.97

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Solution

The fourth proportional to 10,990.33, 16,484.82 and 4,745.97 is: 7,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.33 : 16,484.82 = 4,745.97 : x
  2. Step 2: Convert to fraction form
    10,990.33/16,484.82 = 4,745.97/x
  3. Step 3: Cross multiply
    10,990.33x = 16,484.82 × 4,745.97
  4. Step 4: Simplify right side
    10,990.33x = 78,236,397.01
  5. Step 5: Solve for x
    x = 78,236,397.01/10,990.33
  6. Step 6: Final answer
    x = 7,118.66

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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.