Home / 10,917.13-16,362.00-4,669.80

Finding the Fourth Proportional to 10,917.13, 16,362.00 and 4,669.80

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Solution

The fourth proportional to 10,917.13, 16,362.00 and 4,669.80 is: 6,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.13 : 16,362.00 = 4,669.80 : x
  2. Step 2: Convert to fraction form
    10,917.13/16,362.00 = 4,669.80/x
  3. Step 3: Cross multiply
    10,917.13x = 16,362.00 × 4,669.80
  4. Step 4: Simplify right side
    10,917.13x = 76,407,162.44
  5. Step 5: Solve for x
    x = 76,407,162.44/10,917.13
  6. Step 6: Final answer
    x = 6,998.83

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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.