Home / 11,433.36-17,139.36-4,033.68

Finding the Fourth Proportional to 11,433.36, 17,139.36 and 4,033.68

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Solution

The fourth proportional to 11,433.36, 17,139.36 and 4,033.68 is: 6,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.36 : 17,139.36 = 4,033.68 : x
  2. Step 2: Convert to fraction form
    11,433.36/17,139.36 = 4,033.68/x
  3. Step 3: Cross multiply
    11,433.36x = 17,139.36 × 4,033.68
  4. Step 4: Simplify right side
    11,433.36x = 69,134,693.64
  5. Step 5: Solve for x
    x = 69,134,693.64/11,433.36
  6. Step 6: Final answer
    x = 6,046.75

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Why These Related Problems?

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