Home / 10,107.92-13,947.72-5,630.64

Finding the Fourth Proportional to 10,107.92, 13,947.72 and 5,630.64

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Solution

The fourth proportional to 10,107.92, 13,947.72 and 5,630.64 is: 7,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.92 : 13,947.72 = 5,630.64 : x
  2. Step 2: Convert to fraction form
    10,107.92/13,947.72 = 5,630.64/x
  3. Step 3: Cross multiply
    10,107.92x = 13,947.72 × 5,630.64
  4. Step 4: Simplify right side
    10,107.92x = 78,534,590.14
  5. Step 5: Solve for x
    x = 78,534,590.14/10,107.92
  6. Step 6: Final answer
    x = 7,769.61

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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.