Home / 10,107.05-13,945.87-5,630.69

Finding the Fourth Proportional to 10,107.05, 13,945.87 and 5,630.69

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Solution

The fourth proportional to 10,107.05, 13,945.87 and 5,630.69 is: 7,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.05 : 13,945.87 = 5,630.69 : x
  2. Step 2: Convert to fraction form
    10,107.05/13,945.87 = 5,630.69/x
  3. Step 3: Cross multiply
    10,107.05x = 13,945.87 × 5,630.69
  4. Step 4: Simplify right side
    10,107.05x = 78,524,870.75
  5. Step 5: Solve for x
    x = 78,524,870.75/10,107.05
  6. Step 6: Final answer
    x = 7,769.32

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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.