Home / 9,940.69-13,717.99-5,464.46

Finding the Fourth Proportional to 9,940.69, 13,717.99 and 5,464.46

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Solution

The fourth proportional to 9,940.69, 13,717.99 and 5,464.46 is: 7,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.69 : 13,717.99 = 5,464.46 : x
  2. Step 2: Convert to fraction form
    9,940.69/13,717.99 = 5,464.46/x
  3. Step 3: Cross multiply
    9,940.69x = 13,717.99 × 5,464.46
  4. Step 4: Simplify right side
    9,940.69x = 74,961,448.76
  5. Step 5: Solve for x
    x = 74,961,448.76/9,940.69
  6. Step 6: Final answer
    x = 7,540.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.