Home / 10,745.68-16,118.40-2,954.48

Finding the Fourth Proportional to 10,745.68, 16,118.40 and 2,954.48

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Solution

The fourth proportional to 10,745.68, 16,118.40 and 2,954.48 is: 4,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.68 : 16,118.40 = 2,954.48 : x
  2. Step 2: Convert to fraction form
    10,745.68/16,118.40 = 2,954.48/x
  3. Step 3: Cross multiply
    10,745.68x = 16,118.40 × 2,954.48
  4. Step 4: Simplify right side
    10,745.68x = 47,621,490.43
  5. Step 5: Solve for x
    x = 47,621,490.43/10,745.68
  6. Step 6: Final answer
    x = 4,431.69

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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.