Home / 8,267.22-12,398.40-4,571.28

Finding the Fourth Proportional to 8,267.22, 12,398.40 and 4,571.28

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Solution

The fourth proportional to 8,267.22, 12,398.40 and 4,571.28 is: 6,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.22 : 12,398.40 = 4,571.28 : x
  2. Step 2: Convert to fraction form
    8,267.22/12,398.40 = 4,571.28/x
  3. Step 3: Cross multiply
    8,267.22x = 12,398.40 × 4,571.28
  4. Step 4: Simplify right side
    8,267.22x = 56,676,557.95
  5. Step 5: Solve for x
    x = 56,676,557.95/8,267.22
  6. Step 6: Final answer
    x = 6,855.58

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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.