Home / 8,786.51-13,181.08-2,941.75

Finding the Fourth Proportional to 8,786.51, 13,181.08 and 2,941.75

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Solution

The fourth proportional to 8,786.51, 13,181.08 and 2,941.75 is: 4,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.51 : 13,181.08 = 2,941.75 : x
  2. Step 2: Convert to fraction form
    8,786.51/13,181.08 = 2,941.75/x
  3. Step 3: Cross multiply
    8,786.51x = 13,181.08 × 2,941.75
  4. Step 4: Simplify right side
    8,786.51x = 38,775,442.09
  5. Step 5: Solve for x
    x = 38,775,442.09/8,786.51
  6. Step 6: Final answer
    x = 4,413.07

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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.