Home / 11,108.95-16,666.04-3,317.96

Finding the Fourth Proportional to 11,108.95, 16,666.04 and 3,317.96

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Solution

The fourth proportional to 11,108.95, 16,666.04 and 3,317.96 is: 4,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.95 : 16,666.04 = 3,317.96 : x
  2. Step 2: Convert to fraction form
    11,108.95/16,666.04 = 3,317.96/x
  3. Step 3: Cross multiply
    11,108.95x = 16,666.04 × 3,317.96
  4. Step 4: Simplify right side
    11,108.95x = 55,297,254.08
  5. Step 5: Solve for x
    x = 55,297,254.08/11,108.95
  6. Step 6: Final answer
    x = 4,977.72

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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.