Home / 11,820.52-17,731.39-3,055.51

Finding the Fourth Proportional to 11,820.52, 17,731.39 and 3,055.51

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Solution

The fourth proportional to 11,820.52, 17,731.39 and 3,055.51 is: 4,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.52 : 17,731.39 = 3,055.51 : x
  2. Step 2: Convert to fraction form
    11,820.52/17,731.39 = 3,055.51/x
  3. Step 3: Cross multiply
    11,820.52x = 17,731.39 × 3,055.51
  4. Step 4: Simplify right side
    11,820.52x = 54,178,439.46
  5. Step 5: Solve for x
    x = 54,178,439.46/11,820.52
  6. Step 6: Final answer
    x = 4,583.42

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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.