Home / 8,267.32-12,402.06-2,718.82

Finding the Fourth Proportional to 8,267.32, 12,402.06 and 2,718.82

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Solution

The fourth proportional to 8,267.32, 12,402.06 and 2,718.82 is: 4,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.32 : 12,402.06 = 2,718.82 : x
  2. Step 2: Convert to fraction form
    8,267.32/12,402.06 = 2,718.82/x
  3. Step 3: Cross multiply
    8,267.32x = 12,402.06 × 2,718.82
  4. Step 4: Simplify right side
    8,267.32x = 33,718,968.77
  5. Step 5: Solve for x
    x = 33,718,968.77/8,267.32
  6. Step 6: Final answer
    x = 4,078.59

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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.