Home / 11,767.48-17,647.30-4,745.68

Finding the Fourth Proportional to 11,767.48, 17,647.30 and 4,745.68

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Solution

The fourth proportional to 11,767.48, 17,647.30 and 4,745.68 is: 7,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.48 : 17,647.30 = 4,745.68 : x
  2. Step 2: Convert to fraction form
    11,767.48/17,647.30 = 4,745.68/x
  3. Step 3: Cross multiply
    11,767.48x = 17,647.30 × 4,745.68
  4. Step 4: Simplify right side
    11,767.48x = 83,748,438.66
  5. Step 5: Solve for x
    x = 83,748,438.66/11,767.48
  6. Step 6: Final answer
    x = 7,116.94

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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.