Home / 12,367.80-18,556.02-3,603.24

Finding the Fourth Proportional to 12,367.80, 18,556.02 and 3,603.24

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Solution

The fourth proportional to 12,367.80, 18,556.02 and 3,603.24 is: 5,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.80 : 18,556.02 = 3,603.24 : x
  2. Step 2: Convert to fraction form
    12,367.80/18,556.02 = 3,603.24/x
  3. Step 3: Cross multiply
    12,367.80x = 18,556.02 × 3,603.24
  4. Step 4: Simplify right side
    12,367.80x = 66,861,793.50
  5. Step 5: Solve for x
    x = 66,861,793.50/12,367.80
  6. Step 6: Final answer
    x = 5,406.12

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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.