Home / 12,329.36-18,493.80-3,563.96

Finding the Fourth Proportional to 12,329.36, 18,493.80 and 3,563.96

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Solution

The fourth proportional to 12,329.36, 18,493.80 and 3,563.96 is: 5,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.36 : 18,493.80 = 3,563.96 : x
  2. Step 2: Convert to fraction form
    12,329.36/18,493.80 = 3,563.96/x
  3. Step 3: Cross multiply
    12,329.36x = 18,493.80 × 3,563.96
  4. Step 4: Simplify right side
    12,329.36x = 65,911,163.45
  5. Step 5: Solve for x
    x = 65,911,163.45/12,329.36
  6. Step 6: Final answer
    x = 5,345.87

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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.