Home / 11,362.22-15,679.87-6,647.41

Finding the Fourth Proportional to 11,362.22, 15,679.87 and 6,647.41

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Solution

The fourth proportional to 11,362.22, 15,679.87 and 6,647.41 is: 9,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.22 : 15,679.87 = 6,647.41 : x
  2. Step 2: Convert to fraction form
    11,362.22/15,679.87 = 6,647.41/x
  3. Step 3: Cross multiply
    11,362.22x = 15,679.87 × 6,647.41
  4. Step 4: Simplify right side
    11,362.22x = 104,230,527.62
  5. Step 5: Solve for x
    x = 104,230,527.62/11,362.22
  6. Step 6: Final answer
    x = 9,173.43

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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.