Home / 8,020.72-12,014.70-4,723.84

Finding the Fourth Proportional to 8,020.72, 12,014.70 and 4,723.84

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Solution

The fourth proportional to 8,020.72, 12,014.70 and 4,723.84 is: 7,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.72 : 12,014.70 = 4,723.84 : x
  2. Step 2: Convert to fraction form
    8,020.72/12,014.70 = 4,723.84/x
  3. Step 3: Cross multiply
    8,020.72x = 12,014.70 × 4,723.84
  4. Step 4: Simplify right side
    8,020.72x = 56,755,520.45
  5. Step 5: Solve for x
    x = 56,755,520.45/8,020.72
  6. Step 6: Final answer
    x = 7,076.11

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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.