Home / 12,050.40-16,629.54-6,745.21

Finding the Fourth Proportional to 12,050.40, 16,629.54 and 6,745.21

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Solution

The fourth proportional to 12,050.40, 16,629.54 and 6,745.21 is: 9,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.40 : 16,629.54 = 6,745.21 : x
  2. Step 2: Convert to fraction form
    12,050.40/16,629.54 = 6,745.21/x
  3. Step 3: Cross multiply
    12,050.40x = 16,629.54 × 6,745.21
  4. Step 4: Simplify right side
    12,050.40x = 112,169,739.50
  5. Step 5: Solve for x
    x = 112,169,739.50/12,050.40
  6. Step 6: Final answer
    x = 9,308.38

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Similar ratio
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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.