Home / 7,413.15-11,106.90-3,897.93

Finding the Fourth Proportional to 7,413.15, 11,106.90 and 3,897.93

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Solution

The fourth proportional to 7,413.15, 11,106.90 and 3,897.93 is: 5,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.15 : 11,106.90 = 3,897.93 : x
  2. Step 2: Convert to fraction form
    7,413.15/11,106.90 = 3,897.93/x
  3. Step 3: Cross multiply
    7,413.15x = 11,106.90 × 3,897.93
  4. Step 4: Simplify right side
    7,413.15x = 43,293,918.72
  5. Step 5: Solve for x
    x = 43,293,918.72/7,413.15
  6. Step 6: Final answer
    x = 5,840.15

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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.