Home / 12,745.99-17,584.55-9,396.77

Finding the Fourth Proportional to 12,745.99, 17,584.55 and 9,396.77

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Solution

The fourth proportional to 12,745.99, 17,584.55 and 9,396.77 is: 12,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.99 : 17,584.55 = 9,396.77 : x
  2. Step 2: Convert to fraction form
    12,745.99/17,584.55 = 9,396.77/x
  3. Step 3: Cross multiply
    12,745.99x = 17,584.55 × 9,396.77
  4. Step 4: Simplify right side
    12,745.99x = 165,237,907.47
  5. Step 5: Solve for x
    x = 165,237,907.47/12,745.99
  6. Step 6: Final answer
    x = 12,963.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.