Home / 7,434.48-11,139.89-3,924.36

Finding the Fourth Proportional to 7,434.48, 11,139.89 and 3,924.36

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Solution

The fourth proportional to 7,434.48, 11,139.89 and 3,924.36 is: 5,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.48 : 11,139.89 = 3,924.36 : x
  2. Step 2: Convert to fraction form
    7,434.48/11,139.89 = 3,924.36/x
  3. Step 3: Cross multiply
    7,434.48x = 11,139.89 × 3,924.36
  4. Step 4: Simplify right side
    7,434.48x = 43,716,919.10
  5. Step 5: Solve for x
    x = 43,716,919.10/7,434.48
  6. Step 6: Final answer
    x = 5,880.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.