Home / 8,015.76-12,021.66-2,392.02

Finding the Fourth Proportional to 8,015.76, 12,021.66 and 2,392.02

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Solution

The fourth proportional to 8,015.76, 12,021.66 and 2,392.02 is: 3,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.76 : 12,021.66 = 2,392.02 : x
  2. Step 2: Convert to fraction form
    8,015.76/12,021.66 = 2,392.02/x
  3. Step 3: Cross multiply
    8,015.76x = 12,021.66 × 2,392.02
  4. Step 4: Simplify right side
    8,015.76x = 28,756,051.15
  5. Step 5: Solve for x
    x = 28,756,051.15/8,015.76
  6. Step 6: Final answer
    x = 3,587.44

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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.