Home / 11,873.63-17,809.94-3,108.35

Finding the Fourth Proportional to 11,873.63, 17,809.94 and 3,108.35

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Solution

The fourth proportional to 11,873.63, 17,809.94 and 3,108.35 is: 4,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.63 : 17,809.94 = 3,108.35 : x
  2. Step 2: Convert to fraction form
    11,873.63/17,809.94 = 3,108.35/x
  3. Step 3: Cross multiply
    11,873.63x = 17,809.94 × 3,108.35
  4. Step 4: Simplify right side
    11,873.63x = 55,359,579.29
  5. Step 5: Solve for x
    x = 55,359,579.29/11,873.63
  6. Step 6: Final answer
    x = 4,662.40

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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.