Home / 12,051.11-16,629.75-6,745.88

Finding the Fourth Proportional to 12,051.11, 16,629.75 and 6,745.88

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Solution

The fourth proportional to 12,051.11, 16,629.75 and 6,745.88 is: 9,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.11 : 16,629.75 = 6,745.88 : x
  2. Step 2: Convert to fraction form
    12,051.11/16,629.75 = 6,745.88/x
  3. Step 3: Cross multiply
    12,051.11x = 16,629.75 × 6,745.88
  4. Step 4: Simplify right side
    12,051.11x = 112,182,297.93
  5. Step 5: Solve for x
    x = 112,182,297.93/12,051.11
  6. Step 6: Final answer
    x = 9,308.88

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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.