Home / 11,787.96-17,651.70-9,835.32

Finding the Fourth Proportional to 11,787.96, 17,651.70 and 9,835.32

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Solution

The fourth proportional to 11,787.96, 17,651.70 and 9,835.32 is: 14,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.96 : 17,651.70 = 9,835.32 : x
  2. Step 2: Convert to fraction form
    11,787.96/17,651.70 = 9,835.32/x
  3. Step 3: Cross multiply
    11,787.96x = 17,651.70 × 9,835.32
  4. Step 4: Simplify right side
    11,787.96x = 173,610,118.04
  5. Step 5: Solve for x
    x = 173,610,118.04/11,787.96
  6. Step 6: Final answer
    x = 14,727.75

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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.