Home / 11,860.74-17,791.92-4,075.02

Finding the Fourth Proportional to 11,860.74, 17,791.92 and 4,075.02

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Solution

The fourth proportional to 11,860.74, 17,791.92 and 4,075.02 is: 6,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.74 : 17,791.92 = 4,075.02 : x
  2. Step 2: Convert to fraction form
    11,860.74/17,791.92 = 4,075.02/x
  3. Step 3: Cross multiply
    11,860.74x = 17,791.92 × 4,075.02
  4. Step 4: Simplify right side
    11,860.74x = 72,502,429.84
  5. Step 5: Solve for x
    x = 72,502,429.84/11,860.74
  6. Step 6: Final answer
    x = 6,112.81

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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.