Home / 8,724.16-13,083-3,175.96

Finding the Fourth Proportional to 8,724.16, 13,083 and 3,175.96

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Solution

The fourth proportional to 8,724.16, 13,083 and 3,175.96 is: 4,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.16 : 13,083 = 3,175.96 : x
  2. Step 2: Convert to fraction form
    8,724.16/13,083 = 3,175.96/x
  3. Step 3: Cross multiply
    8,724.16x = 13,083 × 3,175.96
  4. Step 4: Simplify right side
    8,724.16x = 41,551,084.68
  5. Step 5: Solve for x
    x = 41,551,084.68/8,724.16
  6. Step 6: Final answer
    x = 4,762.76

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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.