Home / 11,875.44-17,806.57-4,860.38

Finding the Fourth Proportional to 11,875.44, 17,806.57 and 4,860.38

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Solution

The fourth proportional to 11,875.44, 17,806.57 and 4,860.38 is: 7,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.44 : 17,806.57 = 4,860.38 : x
  2. Step 2: Convert to fraction form
    11,875.44/17,806.57 = 4,860.38/x
  3. Step 3: Cross multiply
    11,875.44x = 17,806.57 × 4,860.38
  4. Step 4: Simplify right side
    11,875.44x = 86,546,696.70
  5. Step 5: Solve for x
    x = 86,546,696.70/11,875.44
  6. Step 6: Final answer
    x = 7,287.87

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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.