Home / 11,315.74-16,968.05-4,651.03

Finding the Fourth Proportional to 11,315.74, 16,968.05 and 4,651.03

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Solution

The fourth proportional to 11,315.74, 16,968.05 and 4,651.03 is: 6,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.74 : 16,968.05 = 4,651.03 : x
  2. Step 2: Convert to fraction form
    11,315.74/16,968.05 = 4,651.03/x
  3. Step 3: Cross multiply
    11,315.74x = 16,968.05 × 4,651.03
  4. Step 4: Simplify right side
    11,315.74x = 78,918,824.75
  5. Step 5: Solve for x
    x = 78,918,824.75/11,315.74
  6. Step 6: Final answer
    x = 6,974.26

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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.