Home / 11,579.69-15,971.85-11,194.22

Finding the Fourth Proportional to 11,579.69, 15,971.85 and 11,194.22

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Solution

The fourth proportional to 11,579.69, 15,971.85 and 11,194.22 is: 15,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.69 : 15,971.85 = 11,194.22 : x
  2. Step 2: Convert to fraction form
    11,579.69/15,971.85 = 11,194.22/x
  3. Step 3: Cross multiply
    11,579.69x = 15,971.85 × 11,194.22
  4. Step 4: Simplify right side
    11,579.69x = 178,792,442.64
  5. Step 5: Solve for x
    x = 178,792,442.64/11,579.69
  6. Step 6: Final answer
    x = 15,440.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.