Home / 8,724.51-13,083.93-3,792.69

Finding the Fourth Proportional to 8,724.51, 13,083.93 and 3,792.69

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Solution

The fourth proportional to 8,724.51, 13,083.93 and 3,792.69 is: 5,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.51 : 13,083.93 = 3,792.69 : x
  2. Step 2: Convert to fraction form
    8,724.51/13,083.93 = 3,792.69/x
  3. Step 3: Cross multiply
    8,724.51x = 13,083.93 × 3,792.69
  4. Step 4: Simplify right side
    8,724.51x = 49,623,290.47
  5. Step 5: Solve for x
    x = 49,623,290.47/8,724.51
  6. Step 6: Final answer
    x = 5,687.80

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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.