Home / 11,664.15-17,486.43-5,085.39

Finding the Fourth Proportional to 11,664.15, 17,486.43 and 5,085.39

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Solution

The fourth proportional to 11,664.15, 17,486.43 and 5,085.39 is: 7,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.15 : 17,486.43 = 5,085.39 : x
  2. Step 2: Convert to fraction form
    11,664.15/17,486.43 = 5,085.39/x
  3. Step 3: Cross multiply
    11,664.15x = 17,486.43 × 5,085.39
  4. Step 4: Simplify right side
    11,664.15x = 88,925,316.26
  5. Step 5: Solve for x
    x = 88,925,316.26/11,664.15
  6. Step 6: Final answer
    x = 7,623.81

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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.