Home / 10,856.63-16,273.91-4,273.76

Finding the Fourth Proportional to 10,856.63, 16,273.91 and 4,273.76

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Solution

The fourth proportional to 10,856.63, 16,273.91 and 4,273.76 is: 6,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.63 : 16,273.91 = 4,273.76 : x
  2. Step 2: Convert to fraction form
    10,856.63/16,273.91 = 4,273.76/x
  3. Step 3: Cross multiply
    10,856.63x = 16,273.91 × 4,273.76
  4. Step 4: Simplify right side
    10,856.63x = 69,550,836.97
  5. Step 5: Solve for x
    x = 69,550,836.97/10,856.63
  6. Step 6: Final answer
    x = 6,406.30

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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.