Home / 8,671.27-12,998.53-3,994.50

Finding the Fourth Proportional to 8,671.27, 12,998.53 and 3,994.50

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Solution

The fourth proportional to 8,671.27, 12,998.53 and 3,994.50 is: 5,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.27 : 12,998.53 = 3,994.50 : x
  2. Step 2: Convert to fraction form
    8,671.27/12,998.53 = 3,994.50/x
  3. Step 3: Cross multiply
    8,671.27x = 12,998.53 × 3,994.50
  4. Step 4: Simplify right side
    8,671.27x = 51,922,628.09
  5. Step 5: Solve for x
    x = 51,922,628.09/8,671.27
  6. Step 6: Final answer
    x = 5,987.89

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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.