Home / 11,825.49-17,742.42-5,251.08

Finding the Fourth Proportional to 11,825.49, 17,742.42 and 5,251.08

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Solution

The fourth proportional to 11,825.49, 17,742.42 and 5,251.08 is: 7,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.49 : 17,742.42 = 5,251.08 : x
  2. Step 2: Convert to fraction form
    11,825.49/17,742.42 = 5,251.08/x
  3. Step 3: Cross multiply
    11,825.49x = 17,742.42 × 5,251.08
  4. Step 4: Simplify right side
    11,825.49x = 93,166,866.81
  5. Step 5: Solve for x
    x = 93,166,866.81/11,825.49
  6. Step 6: Final answer
    x = 7,878.48

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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.