Home / 7,368.82-11,053.83-2,986.30

Finding the Fourth Proportional to 7,368.82, 11,053.83 and 2,986.30

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Solution

The fourth proportional to 7,368.82, 11,053.83 and 2,986.30 is: 4,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.82 : 11,053.83 = 2,986.30 : x
  2. Step 2: Convert to fraction form
    7,368.82/11,053.83 = 2,986.30/x
  3. Step 3: Cross multiply
    7,368.82x = 11,053.83 × 2,986.30
  4. Step 4: Simplify right side
    7,368.82x = 33,010,052.53
  5. Step 5: Solve for x
    x = 33,010,052.53/7,368.82
  6. Step 6: Final answer
    x = 4,479.69

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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.