Home / 8,460.36-11,674.74-4,923

Finding the Fourth Proportional to 8,460.36, 11,674.74 and 4,923

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Solution

The fourth proportional to 8,460.36, 11,674.74 and 4,923 is: 6,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.36 : 11,674.74 = 4,923 : x
  2. Step 2: Convert to fraction form
    8,460.36/11,674.74 = 4,923/x
  3. Step 3: Cross multiply
    8,460.36x = 11,674.74 × 4,923
  4. Step 4: Simplify right side
    8,460.36x = 57,474,745.02
  5. Step 5: Solve for x
    x = 57,474,745.02/8,460.36
  6. Step 6: Final answer
    x = 6,793.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.