Home / 11,821.58-17,738.58-5,252.48

Finding the Fourth Proportional to 11,821.58, 17,738.58 and 5,252.48

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Solution

The fourth proportional to 11,821.58, 17,738.58 and 5,252.48 is: 7,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.58 : 17,738.58 = 5,252.48 : x
  2. Step 2: Convert to fraction form
    11,821.58/17,738.58 = 5,252.48/x
  3. Step 3: Cross multiply
    11,821.58x = 17,738.58 × 5,252.48
  4. Step 4: Simplify right side
    11,821.58x = 93,171,536.68
  5. Step 5: Solve for x
    x = 93,171,536.68/11,821.58
  6. Step 6: Final answer
    x = 7,881.48

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1.5x scale

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.