Home / 11,647.35-17,471.93-3,856.16

Finding the Fourth Proportional to 11,647.35, 17,471.93 and 3,856.16

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Solution

The fourth proportional to 11,647.35, 17,471.93 and 3,856.16 is: 5,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.35 : 17,471.93 = 3,856.16 : x
  2. Step 2: Convert to fraction form
    11,647.35/17,471.93 = 3,856.16/x
  3. Step 3: Cross multiply
    11,647.35x = 17,471.93 × 3,856.16
  4. Step 4: Simplify right side
    11,647.35x = 67,374,450.95
  5. Step 5: Solve for x
    x = 67,374,450.95/11,647.35
  6. Step 6: Final answer
    x = 5,784.53

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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.