Home / 7,413.32-11,113.54-3,027.98

Finding the Fourth Proportional to 7,413.32, 11,113.54 and 3,027.98

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Solution

The fourth proportional to 7,413.32, 11,113.54 and 3,027.98 is: 4,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.32 : 11,113.54 = 3,027.98 : x
  2. Step 2: Convert to fraction form
    7,413.32/11,113.54 = 3,027.98/x
  3. Step 3: Cross multiply
    7,413.32x = 11,113.54 × 3,027.98
  4. Step 4: Simplify right side
    7,413.32x = 33,651,576.85
  5. Step 5: Solve for x
    x = 33,651,576.85/7,413.32
  6. Step 6: Final answer
    x = 4,539.34

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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.