Home / 10,103.77-13,942.85-5,627.29

Finding the Fourth Proportional to 10,103.77, 13,942.85 and 5,627.29

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Solution

The fourth proportional to 10,103.77, 13,942.85 and 5,627.29 is: 7,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.77 : 13,942.85 = 5,627.29 : x
  2. Step 2: Convert to fraction form
    10,103.77/13,942.85 = 5,627.29/x
  3. Step 3: Cross multiply
    10,103.77x = 13,942.85 × 5,627.29
  4. Step 4: Simplify right side
    10,103.77x = 78,460,455.18
  5. Step 5: Solve for x
    x = 78,460,455.18/10,103.77
  6. Step 6: Final answer
    x = 7,765.46

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