Home / 8,468.58-11,687.31-4,930.50

Finding the Fourth Proportional to 8,468.58, 11,687.31 and 4,930.50

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Solution

The fourth proportional to 8,468.58, 11,687.31 and 4,930.50 is: 6,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.58 : 11,687.31 = 4,930.50 : x
  2. Step 2: Convert to fraction form
    8,468.58/11,687.31 = 4,930.50/x
  3. Step 3: Cross multiply
    8,468.58x = 11,687.31 × 4,930.50
  4. Step 4: Simplify right side
    8,468.58x = 57,624,281.96
  5. Step 5: Solve for x
    x = 57,624,281.96/8,468.58
  6. Step 6: Final answer
    x = 6,804.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.