Home / 8,408.37-11,601.11-5,425.95

Finding the Fourth Proportional to 8,408.37, 11,601.11 and 5,425.95

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Solution

The fourth proportional to 8,408.37, 11,601.11 and 5,425.95 is: 7,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.37 : 11,601.11 = 5,425.95 : x
  2. Step 2: Convert to fraction form
    8,408.37/11,601.11 = 5,425.95/x
  3. Step 3: Cross multiply
    8,408.37x = 11,601.11 × 5,425.95
  4. Step 4: Simplify right side
    8,408.37x = 62,947,056.37
  5. Step 5: Solve for x
    x = 62,947,056.37/8,408.37
  6. Step 6: Final answer
    x = 7,486.24

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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.