Home / 11,650.84-17,478.03-3,861.47

Finding the Fourth Proportional to 11,650.84, 17,478.03 and 3,861.47

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Solution

The fourth proportional to 11,650.84, 17,478.03 and 3,861.47 is: 5,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.84 : 17,478.03 = 3,861.47 : x
  2. Step 2: Convert to fraction form
    11,650.84/17,478.03 = 3,861.47/x
  3. Step 3: Cross multiply
    11,650.84x = 17,478.03 × 3,861.47
  4. Step 4: Simplify right side
    11,650.84x = 67,490,888.50
  5. Step 5: Solve for x
    x = 67,490,888.50/11,650.84
  6. Step 6: Final answer
    x = 5,792.79

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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.