Home / 7,607.82-11,417.86-3,228.36

Finding the Fourth Proportional to 7,607.82, 11,417.86 and 3,228.36

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Solution

The fourth proportional to 7,607.82, 11,417.86 and 3,228.36 is: 4,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.82 : 11,417.86 = 3,228.36 : x
  2. Step 2: Convert to fraction form
    7,607.82/11,417.86 = 3,228.36/x
  3. Step 3: Cross multiply
    7,607.82x = 11,417.86 × 3,228.36
  4. Step 4: Simplify right side
    7,607.82x = 36,860,923.73
  5. Step 5: Solve for x
    x = 36,860,923.73/7,607.82
  6. Step 6: Final answer
    x = 4,845.13

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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.