Home / 11,186.22-16,771.13-5,916.96

Finding the Fourth Proportional to 11,186.22, 16,771.13 and 5,916.96

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Solution

The fourth proportional to 11,186.22, 16,771.13 and 5,916.96 is: 8,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.22 : 16,771.13 = 5,916.96 : x
  2. Step 2: Convert to fraction form
    11,186.22/16,771.13 = 5,916.96/x
  3. Step 3: Cross multiply
    11,186.22x = 16,771.13 × 5,916.96
  4. Step 4: Simplify right side
    11,186.22x = 99,234,075.78
  5. Step 5: Solve for x
    x = 99,234,075.78/11,186.22
  6. Step 6: Final answer
    x = 8,871.10

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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.