Home / 11,918.36-17,848.76-5,976.56

Finding the Fourth Proportional to 11,918.36, 17,848.76 and 5,976.56

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Solution

The fourth proportional to 11,918.36, 17,848.76 and 5,976.56 is: 8,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.36 : 17,848.76 = 5,976.56 : x
  2. Step 2: Convert to fraction form
    11,918.36/17,848.76 = 5,976.56/x
  3. Step 3: Cross multiply
    11,918.36x = 17,848.76 × 5,976.56
  4. Step 4: Simplify right side
    11,918.36x = 106,674,185.07
  5. Step 5: Solve for x
    x = 106,674,185.07/11,918.36
  6. Step 6: Final answer
    x = 8,950.41

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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.