Home / 11,918.03-17,864.57-4,017.82

Finding the Fourth Proportional to 11,918.03, 17,864.57 and 4,017.82

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Solution

The fourth proportional to 11,918.03, 17,864.57 and 4,017.82 is: 6,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.03 : 17,864.57 = 4,017.82 : x
  2. Step 2: Convert to fraction form
    11,918.03/17,864.57 = 4,017.82/x
  3. Step 3: Cross multiply
    11,918.03x = 17,864.57 × 4,017.82
  4. Step 4: Simplify right side
    11,918.03x = 71,776,597.04
  5. Step 5: Solve for x
    x = 71,776,597.04/11,918.03
  6. Step 6: Final answer
    x = 6,022.52

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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.