Home / 11,481.71-17,219.12-4,085.19

Finding the Fourth Proportional to 11,481.71, 17,219.12 and 4,085.19

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Solution

The fourth proportional to 11,481.71, 17,219.12 and 4,085.19 is: 6,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.71 : 17,219.12 = 4,085.19 : x
  2. Step 2: Convert to fraction form
    11,481.71/17,219.12 = 4,085.19/x
  3. Step 3: Cross multiply
    11,481.71x = 17,219.12 × 4,085.19
  4. Step 4: Simplify right side
    11,481.71x = 70,343,356.41
  5. Step 5: Solve for x
    x = 70,343,356.41/11,481.71
  6. Step 6: Final answer
    x = 6,126.56

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1.5x scale

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.