Home / 8,836.70-13,252.31-2,991.94

Finding the Fourth Proportional to 8,836.70, 13,252.31 and 2,991.94

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Solution

The fourth proportional to 8,836.70, 13,252.31 and 2,991.94 is: 4,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.70 : 13,252.31 = 2,991.94 : x
  2. Step 2: Convert to fraction form
    8,836.70/13,252.31 = 2,991.94/x
  3. Step 3: Cross multiply
    8,836.70x = 13,252.31 × 2,991.94
  4. Step 4: Simplify right side
    8,836.70x = 39,650,079.51
  5. Step 5: Solve for x
    x = 39,650,079.51/8,836.70
  6. Step 6: Final answer
    x = 4,486.98

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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.