Home / 7,415.33-11,116.53-3,029.99

Finding the Fourth Proportional to 7,415.33, 11,116.53 and 3,029.99

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Solution

The fourth proportional to 7,415.33, 11,116.53 and 3,029.99 is: 4,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.33 : 11,116.53 = 3,029.99 : x
  2. Step 2: Convert to fraction form
    7,415.33/11,116.53 = 3,029.99/x
  3. Step 3: Cross multiply
    7,415.33x = 11,116.53 × 3,029.99
  4. Step 4: Simplify right side
    7,415.33x = 33,682,919.15
  5. Step 5: Solve for x
    x = 33,682,919.15/7,415.33
  6. Step 6: Final answer
    x = 4,542.34

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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.