Home / 10,669.71-16,004.57-3,649.79

Finding the Fourth Proportional to 10,669.71, 16,004.57 and 3,649.79

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Solution

The fourth proportional to 10,669.71, 16,004.57 and 3,649.79 is: 5,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.71 : 16,004.57 = 3,649.79 : x
  2. Step 2: Convert to fraction form
    10,669.71/16,004.57 = 3,649.79/x
  3. Step 3: Cross multiply
    10,669.71x = 16,004.57 × 3,649.79
  4. Step 4: Simplify right side
    10,669.71x = 58,413,368.68
  5. Step 5: Solve for x
    x = 58,413,368.68/10,669.71
  6. Step 6: Final answer
    x = 5,474.69

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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.