Home / 12,176.24-18,264.36-2,942.24

Finding the Fourth Proportional to 12,176.24, 18,264.36 and 2,942.24

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Solution

The fourth proportional to 12,176.24, 18,264.36 and 2,942.24 is: 4,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.24 : 18,264.36 = 2,942.24 : x
  2. Step 2: Convert to fraction form
    12,176.24/18,264.36 = 2,942.24/x
  3. Step 3: Cross multiply
    12,176.24x = 18,264.36 × 2,942.24
  4. Step 4: Simplify right side
    12,176.24x = 53,738,130.57
  5. Step 5: Solve for x
    x = 53,738,130.57/12,176.24
  6. Step 6: Final answer
    x = 4,413.36

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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.