Home / 7,404.80-11,083.96-4,107.28

Finding the Fourth Proportional to 7,404.80, 11,083.96 and 4,107.28

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Solution

The fourth proportional to 7,404.80, 11,083.96 and 4,107.28 is: 6,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.80 : 11,083.96 = 4,107.28 : x
  2. Step 2: Convert to fraction form
    7,404.80/11,083.96 = 4,107.28/x
  3. Step 3: Cross multiply
    7,404.80x = 11,083.96 × 4,107.28
  4. Step 4: Simplify right side
    7,404.80x = 45,524,927.23
  5. Step 5: Solve for x
    x = 45,524,927.23/7,404.80
  6. Step 6: Final answer
    x = 6,148.03

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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.