Home / 30,453.36-45,674.64-8,268.46

Finding the Fourth Proportional to 30,453.36, 45,674.64 and 8,268.46

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Solution

The fourth proportional to 30,453.36, 45,674.64 and 8,268.46 is: 12,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.36 : 45,674.64 = 8,268.46 : x
  2. Step 2: Convert to fraction form
    30,453.36/45,674.64 = 8,268.46/x
  3. Step 3: Cross multiply
    30,453.36x = 45,674.64 × 8,268.46
  4. Step 4: Simplify right side
    30,453.36x = 377,658,933.85
  5. Step 5: Solve for x
    x = 377,658,933.85/30,453.36
  6. Step 6: Final answer
    x = 12,401.22

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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.