Home / 11,904-17,852.52-3,583.20

Finding the Fourth Proportional to 11,904, 17,852.52 and 3,583.20

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Solution

The fourth proportional to 11,904, 17,852.52 and 3,583.20 is: 5,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904 : 17,852.52 = 3,583.20 : x
  2. Step 2: Convert to fraction form
    11,904/17,852.52 = 3,583.20/x
  3. Step 3: Cross multiply
    11,904x = 17,852.52 × 3,583.20
  4. Step 4: Simplify right side
    11,904x = 63,969,149.66
  5. Step 5: Solve for x
    x = 63,969,149.66/11,904
  6. Step 6: Final answer
    x = 5,373.75

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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.