Home / 11,863.72-16,372.26-6,559.02

Finding the Fourth Proportional to 11,863.72, 16,372.26 and 6,559.02

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Solution

The fourth proportional to 11,863.72, 16,372.26 and 6,559.02 is: 9,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.72 : 16,372.26 = 6,559.02 : x
  2. Step 2: Convert to fraction form
    11,863.72/16,372.26 = 6,559.02/x
  3. Step 3: Cross multiply
    11,863.72x = 16,372.26 × 6,559.02
  4. Step 4: Simplify right side
    11,863.72x = 107,385,980.79
  5. Step 5: Solve for x
    x = 107,385,980.79/11,863.72
  6. Step 6: Final answer
    x = 9,051.63

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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.