Home / 10,917.04-16,361.85-4,669.70

Finding the Fourth Proportional to 10,917.04, 16,361.85 and 4,669.70

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Solution

The fourth proportional to 10,917.04, 16,361.85 and 4,669.70 is: 6,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.04 : 16,361.85 = 4,669.70 : x
  2. Step 2: Convert to fraction form
    10,917.04/16,361.85 = 4,669.70/x
  3. Step 3: Cross multiply
    10,917.04x = 16,361.85 × 4,669.70
  4. Step 4: Simplify right side
    10,917.04x = 76,404,930.95
  5. Step 5: Solve for x
    x = 76,404,930.95/10,917.04
  6. Step 6: Final answer
    x = 6,998.69

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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.