Home / 12,369.37-18,556.38-4,974.40

Finding the Fourth Proportional to 12,369.37, 18,556.38 and 4,974.40

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Solution

The fourth proportional to 12,369.37, 18,556.38 and 4,974.40 is: 7,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.37 : 18,556.38 = 4,974.40 : x
  2. Step 2: Convert to fraction form
    12,369.37/18,556.38 = 4,974.40/x
  3. Step 3: Cross multiply
    12,369.37x = 18,556.38 × 4,974.40
  4. Step 4: Simplify right side
    12,369.37x = 92,306,856.67
  5. Step 5: Solve for x
    x = 92,306,856.67/12,369.37
  6. Step 6: Final answer
    x = 7,462.54

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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.