Home / 11,531.72-15,914.58-6,563.72

Finding the Fourth Proportional to 11,531.72, 15,914.58 and 6,563.72

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Solution

The fourth proportional to 11,531.72, 15,914.58 and 6,563.72 is: 9,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.72 : 15,914.58 = 6,563.72 : x
  2. Step 2: Convert to fraction form
    11,531.72/15,914.58 = 6,563.72/x
  3. Step 3: Cross multiply
    11,531.72x = 15,914.58 × 6,563.72
  4. Step 4: Simplify right side
    11,531.72x = 104,458,847.04
  5. Step 5: Solve for x
    x = 104,458,847.04/11,531.72
  6. Step 6: Final answer
    x = 9,058.39

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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.