Home / 12,745.87-19,118.81-4,846.53

Finding the Fourth Proportional to 12,745.87, 19,118.81 and 4,846.53

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Solution

The fourth proportional to 12,745.87, 19,118.81 and 4,846.53 is: 7,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.87 : 19,118.81 = 4,846.53 : x
  2. Step 2: Convert to fraction form
    12,745.87/19,118.81 = 4,846.53/x
  3. Step 3: Cross multiply
    12,745.87x = 19,118.81 × 4,846.53
  4. Step 4: Simplify right side
    12,745.87x = 92,659,886.23
  5. Step 5: Solve for x
    x = 92,659,886.23/12,745.87
  6. Step 6: Final answer
    x = 7,269.80

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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.