Home / 8,529.54-12,771.75-6,671.96

Finding the Fourth Proportional to 8,529.54, 12,771.75 and 6,671.96

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Solution

The fourth proportional to 8,529.54, 12,771.75 and 6,671.96 is: 9,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.54 : 12,771.75 = 6,671.96 : x
  2. Step 2: Convert to fraction form
    8,529.54/12,771.75 = 6,671.96/x
  3. Step 3: Cross multiply
    8,529.54x = 12,771.75 × 6,671.96
  4. Step 4: Simplify right side
    8,529.54x = 85,212,605.13
  5. Step 5: Solve for x
    x = 85,212,605.13/8,529.54
  6. Step 6: Final answer
    x = 9,990.29

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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.