Home / 11,768.98-17,651.34-4,748.70

Finding the Fourth Proportional to 11,768.98, 17,651.34 and 4,748.70

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Solution

The fourth proportional to 11,768.98, 17,651.34 and 4,748.70 is: 7,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.98 : 17,651.34 = 4,748.70 : x
  2. Step 2: Convert to fraction form
    11,768.98/17,651.34 = 4,748.70/x
  3. Step 3: Cross multiply
    11,768.98x = 17,651.34 × 4,748.70
  4. Step 4: Simplify right side
    11,768.98x = 83,820,918.26
  5. Step 5: Solve for x
    x = 83,820,918.26/11,768.98
  6. Step 6: Final answer
    x = 7,122.19

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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.