Home / 7,969.28-11,953.45-3,039.41

Finding the Fourth Proportional to 7,969.28, 11,953.45 and 3,039.41

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Solution

The fourth proportional to 7,969.28, 11,953.45 and 3,039.41 is: 4,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.28 : 11,953.45 = 3,039.41 : x
  2. Step 2: Convert to fraction form
    7,969.28/11,953.45 = 3,039.41/x
  3. Step 3: Cross multiply
    7,969.28x = 11,953.45 × 3,039.41
  4. Step 4: Simplify right side
    7,969.28x = 36,331,457.75
  5. Step 5: Solve for x
    x = 36,331,457.75/7,969.28
  6. Step 6: Final answer
    x = 4,558.94

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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.