Home / 11,953.74-17,930.70-4,162.53

Finding the Fourth Proportional to 11,953.74, 17,930.70 and 4,162.53

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Solution

The fourth proportional to 11,953.74, 17,930.70 and 4,162.53 is: 6,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.74 : 17,930.70 = 4,162.53 : x
  2. Step 2: Convert to fraction form
    11,953.74/17,930.70 = 4,162.53/x
  3. Step 3: Cross multiply
    11,953.74x = 17,930.70 × 4,162.53
  4. Step 4: Simplify right side
    11,953.74x = 74,637,076.67
  5. Step 5: Solve for x
    x = 74,637,076.67/11,953.74
  6. Step 6: Final answer
    x = 6,243.83

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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.