Home / 10,669.70-16,004.14-2,878.71

Finding the Fourth Proportional to 10,669.70, 16,004.14 and 2,878.71

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Solution

The fourth proportional to 10,669.70, 16,004.14 and 2,878.71 is: 4,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.70 : 16,004.14 = 2,878.71 : x
  2. Step 2: Convert to fraction form
    10,669.70/16,004.14 = 2,878.71/x
  3. Step 3: Cross multiply
    10,669.70x = 16,004.14 × 2,878.71
  4. Step 4: Simplify right side
    10,669.70x = 46,071,270.66
  5. Step 5: Solve for x
    x = 46,071,270.66/10,669.70
  6. Step 6: Final answer
    x = 4,317.96

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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.