Home / 11,746.93-17,618.68-3,424.71

Finding the Fourth Proportional to 11,746.93, 17,618.68 and 3,424.71

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Solution

The fourth proportional to 11,746.93, 17,618.68 and 3,424.71 is: 5,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.93 : 17,618.68 = 3,424.71 : x
  2. Step 2: Convert to fraction form
    11,746.93/17,618.68 = 3,424.71/x
  3. Step 3: Cross multiply
    11,746.93x = 17,618.68 × 3,424.71
  4. Step 4: Simplify right side
    11,746.93x = 60,338,869.58
  5. Step 5: Solve for x
    x = 60,338,869.58/11,746.93
  6. Step 6: Final answer
    x = 5,136.57

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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.