Home / 8,112.09-11,194.74-4,967.67

Finding the Fourth Proportional to 8,112.09, 11,194.74 and 4,967.67

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Solution

The fourth proportional to 8,112.09, 11,194.74 and 4,967.67 is: 6,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.09 : 11,194.74 = 4,967.67 : x
  2. Step 2: Convert to fraction form
    8,112.09/11,194.74 = 4,967.67/x
  3. Step 3: Cross multiply
    8,112.09x = 11,194.74 × 4,967.67
  4. Step 4: Simplify right side
    8,112.09x = 55,611,774.06
  5. Step 5: Solve for x
    x = 55,611,774.06/8,112.09
  6. Step 6: Final answer
    x = 6,855.42

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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.