Home / 11,971.79-17,946.52-4,068.91

Finding the Fourth Proportional to 11,971.79, 17,946.52 and 4,068.91

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Solution

The fourth proportional to 11,971.79, 17,946.52 and 4,068.91 is: 6,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.79 : 17,946.52 = 4,068.91 : x
  2. Step 2: Convert to fraction form
    11,971.79/17,946.52 = 4,068.91/x
  3. Step 3: Cross multiply
    11,971.79x = 17,946.52 × 4,068.91
  4. Step 4: Simplify right side
    11,971.79x = 73,022,774.69
  5. Step 5: Solve for x
    x = 73,022,774.69/11,971.79
  6. Step 6: Final answer
    x = 6,099.57

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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.