Home / 8,135.08-12,189.85-4,846.37

Finding the Fourth Proportional to 8,135.08, 12,189.85 and 4,846.37

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Solution

The fourth proportional to 8,135.08, 12,189.85 and 4,846.37 is: 7,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.08 : 12,189.85 = 4,846.37 : x
  2. Step 2: Convert to fraction form
    8,135.08/12,189.85 = 4,846.37/x
  3. Step 3: Cross multiply
    8,135.08x = 12,189.85 × 4,846.37
  4. Step 4: Simplify right side
    8,135.08x = 59,076,523.34
  5. Step 5: Solve for x
    x = 59,076,523.34/8,135.08
  6. Step 6: Final answer
    x = 7,261.95

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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.