Home / 11,918.51-17,870.80-3,596.03

Finding the Fourth Proportional to 11,918.51, 17,870.80 and 3,596.03

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Solution

The fourth proportional to 11,918.51, 17,870.80 and 3,596.03 is: 5,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.51 : 17,870.80 = 3,596.03 : x
  2. Step 2: Convert to fraction form
    11,918.51/17,870.80 = 3,596.03/x
  3. Step 3: Cross multiply
    11,918.51x = 17,870.80 × 3,596.03
  4. Step 4: Simplify right side
    11,918.51x = 64,263,843.57
  5. Step 5: Solve for x
    x = 64,263,843.57/11,918.51
  6. Step 6: Final answer
    x = 5,391.94

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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.