Home / 11,551.70-17,328.65-3,231.72

Finding the Fourth Proportional to 11,551.70, 17,328.65 and 3,231.72

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Solution

The fourth proportional to 11,551.70, 17,328.65 and 3,231.72 is: 4,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.70 : 17,328.65 = 3,231.72 : x
  2. Step 2: Convert to fraction form
    11,551.70/17,328.65 = 3,231.72/x
  3. Step 3: Cross multiply
    11,551.70x = 17,328.65 × 3,231.72
  4. Step 4: Simplify right side
    11,551.70x = 56,001,328.62
  5. Step 5: Solve for x
    x = 56,001,328.62/11,551.70
  6. Step 6: Final answer
    x = 4,847.89

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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.