Home / 11,743.88-17,611.74-4,721.81

Finding the Fourth Proportional to 11,743.88, 17,611.74 and 4,721.81

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Solution

The fourth proportional to 11,743.88, 17,611.74 and 4,721.81 is: 7,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.88 : 17,611.74 = 4,721.81 : x
  2. Step 2: Convert to fraction form
    11,743.88/17,611.74 = 4,721.81/x
  3. Step 3: Cross multiply
    11,743.88x = 17,611.74 × 4,721.81
  4. Step 4: Simplify right side
    11,743.88x = 83,159,201.99
  5. Step 5: Solve for x
    x = 83,159,201.99/11,743.88
  6. Step 6: Final answer
    x = 7,081.07

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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.