Home / 10,876.37-16,315.34-3,378.94

Finding the Fourth Proportional to 10,876.37, 16,315.34 and 3,378.94

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Solution

The fourth proportional to 10,876.37, 16,315.34 and 3,378.94 is: 5,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.37 : 16,315.34 = 3,378.94 : x
  2. Step 2: Convert to fraction form
    10,876.37/16,315.34 = 3,378.94/x
  3. Step 3: Cross multiply
    10,876.37x = 16,315.34 × 3,378.94
  4. Step 4: Simplify right side
    10,876.37x = 55,128,497.26
  5. Step 5: Solve for x
    x = 55,128,497.26/10,876.37
  6. Step 6: Final answer
    x = 5,068.65

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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.