Home / 11,222.72-15,486.63-6,186.98

Finding the Fourth Proportional to 11,222.72, 15,486.63 and 6,186.98

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Solution

The fourth proportional to 11,222.72, 15,486.63 and 6,186.98 is: 8,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.72 : 15,486.63 = 6,186.98 : x
  2. Step 2: Convert to fraction form
    11,222.72/15,486.63 = 6,186.98/x
  3. Step 3: Cross multiply
    11,222.72x = 15,486.63 × 6,186.98
  4. Step 4: Simplify right side
    11,222.72x = 95,815,485.59
  5. Step 5: Solve for x
    x = 95,815,485.59/11,222.72
  6. Step 6: Final answer
    x = 8,537.64

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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.