Home / 11,586.78-17,376.50-4,190.26

Finding the Fourth Proportional to 11,586.78, 17,376.50 and 4,190.26

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Solution

The fourth proportional to 11,586.78, 17,376.50 and 4,190.26 is: 6,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.78 : 17,376.50 = 4,190.26 : x
  2. Step 2: Convert to fraction form
    11,586.78/17,376.50 = 4,190.26/x
  3. Step 3: Cross multiply
    11,586.78x = 17,376.50 × 4,190.26
  4. Step 4: Simplify right side
    11,586.78x = 72,812,052.89
  5. Step 5: Solve for x
    x = 72,812,052.89/11,586.78
  6. Step 6: Final answer
    x = 6,284.06

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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.