Home / 11,413.31-17,124.82-9,765.77

Finding the Fourth Proportional to 11,413.31, 17,124.82 and 9,765.77

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Solution

The fourth proportional to 11,413.31, 17,124.82 and 9,765.77 is: 14,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.31 : 17,124.82 = 9,765.77 : x
  2. Step 2: Convert to fraction form
    11,413.31/17,124.82 = 9,765.77/x
  3. Step 3: Cross multiply
    11,413.31x = 17,124.82 × 9,765.77
  4. Step 4: Simplify right side
    11,413.31x = 167,236,943.37
  5. Step 5: Solve for x
    x = 167,236,943.37/11,413.31
  6. Step 6: Final answer
    x = 14,652.81

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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.