Home / 10,102.82-13,941.38-5,626.96

Finding the Fourth Proportional to 10,102.82, 13,941.38 and 5,626.96

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Solution

The fourth proportional to 10,102.82, 13,941.38 and 5,626.96 is: 7,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.82 : 13,941.38 = 5,626.96 : x
  2. Step 2: Convert to fraction form
    10,102.82/13,941.38 = 5,626.96/x
  3. Step 3: Cross multiply
    10,102.82x = 13,941.38 × 5,626.96
  4. Step 4: Simplify right side
    10,102.82x = 78,447,566.82
  5. Step 5: Solve for x
    x = 78,447,566.82/10,102.82
  6. Step 6: Final answer
    x = 7,764.92

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Why These Related Problems?

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