Home / 11,983.65-17,954.36-10,679.01

Finding the Fourth Proportional to 11,983.65, 17,954.36 and 10,679.01

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Solution

The fourth proportional to 11,983.65, 17,954.36 and 10,679.01 is: 15,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.65 : 17,954.36 = 10,679.01 : x
  2. Step 2: Convert to fraction form
    11,983.65/17,954.36 = 10,679.01/x
  3. Step 3: Cross multiply
    11,983.65x = 17,954.36 × 10,679.01
  4. Step 4: Simplify right side
    11,983.65x = 191,734,709.31
  5. Step 5: Solve for x
    x = 191,734,709.31/11,983.65
  6. Step 6: Final answer
    x = 15,999.70

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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.