Home / 11,892.07-16,413.10-6,855.40

Finding the Fourth Proportional to 11,892.07, 16,413.10 and 6,855.40

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Solution

The fourth proportional to 11,892.07, 16,413.10 and 6,855.40 is: 9,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.07 : 16,413.10 = 6,855.40 : x
  2. Step 2: Convert to fraction form
    11,892.07/16,413.10 = 6,855.40/x
  3. Step 3: Cross multiply
    11,892.07x = 16,413.10 × 6,855.40
  4. Step 4: Simplify right side
    11,892.07x = 112,518,365.74
  5. Step 5: Solve for x
    x = 112,518,365.74/11,892.07
  6. Step 6: Final answer
    x = 9,461.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.