Home / 12,249.44-18,369.84-5,674.40

Finding the Fourth Proportional to 12,249.44, 18,369.84 and 5,674.40

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Solution

The fourth proportional to 12,249.44, 18,369.84 and 5,674.40 is: 8,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.44 : 18,369.84 = 5,674.40 : x
  2. Step 2: Convert to fraction form
    12,249.44/18,369.84 = 5,674.40/x
  3. Step 3: Cross multiply
    12,249.44x = 18,369.84 × 5,674.40
  4. Step 4: Simplify right side
    12,249.44x = 104,237,820.10
  5. Step 5: Solve for x
    x = 104,237,820.10/12,249.44
  6. Step 6: Final answer
    x = 8,509.60

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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.