Home / 11,705.36-17,559.76-3,805.28

Finding the Fourth Proportional to 11,705.36, 17,559.76 and 3,805.28

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Solution

The fourth proportional to 11,705.36, 17,559.76 and 3,805.28 is: 5,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.36 : 17,559.76 = 3,805.28 : x
  2. Step 2: Convert to fraction form
    11,705.36/17,559.76 = 3,805.28/x
  3. Step 3: Cross multiply
    11,705.36x = 17,559.76 × 3,805.28
  4. Step 4: Simplify right side
    11,705.36x = 66,819,803.53
  5. Step 5: Solve for x
    x = 66,819,803.53/11,705.36
  6. Step 6: Final answer
    x = 5,708.48

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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.