Home / 10,434.58-14,399.90-5,718.56

Finding the Fourth Proportional to 10,434.58, 14,399.90 and 5,718.56

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Solution

The fourth proportional to 10,434.58, 14,399.90 and 5,718.56 is: 7,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.58 : 14,399.90 = 5,718.56 : x
  2. Step 2: Convert to fraction form
    10,434.58/14,399.90 = 5,718.56/x
  3. Step 3: Cross multiply
    10,434.58x = 14,399.90 × 5,718.56
  4. Step 4: Simplify right side
    10,434.58x = 82,346,692.14
  5. Step 5: Solve for x
    x = 82,346,692.14/10,434.58
  6. Step 6: Final answer
    x = 7,891.71

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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.