Home / 11,603.48-17,365.80-7,163.97

Finding the Fourth Proportional to 11,603.48, 17,365.80 and 7,163.97

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Solution

The fourth proportional to 11,603.48, 17,365.80 and 7,163.97 is: 10,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.48 : 17,365.80 = 7,163.97 : x
  2. Step 2: Convert to fraction form
    11,603.48/17,365.80 = 7,163.97/x
  3. Step 3: Cross multiply
    11,603.48x = 17,365.80 × 7,163.97
  4. Step 4: Simplify right side
    11,603.48x = 124,408,070.23
  5. Step 5: Solve for x
    x = 124,408,070.23/11,603.48
  6. Step 6: Final answer
    x = 10,721.62

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1.5x scale

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.