Home / 8,062.90-12,087.06-2,867.56

Finding the Fourth Proportional to 8,062.90, 12,087.06 and 2,867.56

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Solution

The fourth proportional to 8,062.90, 12,087.06 and 2,867.56 is: 4,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.90 : 12,087.06 = 2,867.56 : x
  2. Step 2: Convert to fraction form
    8,062.90/12,087.06 = 2,867.56/x
  3. Step 3: Cross multiply
    8,062.90x = 12,087.06 × 2,867.56
  4. Step 4: Simplify right side
    8,062.90x = 34,660,369.77
  5. Step 5: Solve for x
    x = 34,660,369.77/8,062.90
  6. Step 6: Final answer
    x = 4,298.75

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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.