Home / 7,353.12-11,028.21-3,603.29

Finding the Fourth Proportional to 7,353.12, 11,028.21 and 3,603.29

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Solution

The fourth proportional to 7,353.12, 11,028.21 and 3,603.29 is: 5,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.12 : 11,028.21 = 3,603.29 : x
  2. Step 2: Convert to fraction form
    7,353.12/11,028.21 = 3,603.29/x
  3. Step 3: Cross multiply
    7,353.12x = 11,028.21 × 3,603.29
  4. Step 4: Simplify right side
    7,353.12x = 39,737,838.81
  5. Step 5: Solve for x
    x = 39,737,838.81/7,353.12
  6. Step 6: Final answer
    x = 5,404.21

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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.