Home / 9,865.26-14,800.86-2,939.76

Finding the Fourth Proportional to 9,865.26, 14,800.86 and 2,939.76

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Solution

The fourth proportional to 9,865.26, 14,800.86 and 2,939.76 is: 4,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.26 : 14,800.86 = 2,939.76 : x
  2. Step 2: Convert to fraction form
    9,865.26/14,800.86 = 2,939.76/x
  3. Step 3: Cross multiply
    9,865.26x = 14,800.86 × 2,939.76
  4. Step 4: Simplify right side
    9,865.26x = 43,510,976.19
  5. Step 5: Solve for x
    x = 43,510,976.19/9,865.26
  6. Step 6: Final answer
    x = 4,410.53

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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.