Home / 11,208.06-16,802.34-4,629.72

Finding the Fourth Proportional to 11,208.06, 16,802.34 and 4,629.72

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Solution

The fourth proportional to 11,208.06, 16,802.34 and 4,629.72 is: 6,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.06 : 16,802.34 = 4,629.72 : x
  2. Step 2: Convert to fraction form
    11,208.06/16,802.34 = 4,629.72/x
  3. Step 3: Cross multiply
    11,208.06x = 16,802.34 × 4,629.72
  4. Step 4: Simplify right side
    11,208.06x = 77,790,129.54
  5. Step 5: Solve for x
    x = 77,790,129.54/11,208.06
  6. Step 6: Final answer
    x = 6,940.55

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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.