Home / 9,408.21-12,980.37-5,873.47

Finding the Fourth Proportional to 9,408.21, 12,980.37 and 5,873.47

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Solution

The fourth proportional to 9,408.21, 12,980.37 and 5,873.47 is: 8,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.21 : 12,980.37 = 5,873.47 : x
  2. Step 2: Convert to fraction form
    9,408.21/12,980.37 = 5,873.47/x
  3. Step 3: Cross multiply
    9,408.21x = 12,980.37 × 5,873.47
  4. Step 4: Simplify right side
    9,408.21x = 76,239,813.78
  5. Step 5: Solve for x
    x = 76,239,813.78/9,408.21
  6. Step 6: Final answer
    x = 8,103.54

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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.