Home / 8,039.28-12,062.34-3,360.36

Finding the Fourth Proportional to 8,039.28, 12,062.34 and 3,360.36

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Solution

The fourth proportional to 8,039.28, 12,062.34 and 3,360.36 is: 5,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.28 : 12,062.34 = 3,360.36 : x
  2. Step 2: Convert to fraction form
    8,039.28/12,062.34 = 3,360.36/x
  3. Step 3: Cross multiply
    8,039.28x = 12,062.34 × 3,360.36
  4. Step 4: Simplify right side
    8,039.28x = 40,533,804.84
  5. Step 5: Solve for x
    x = 40,533,804.84/8,039.28
  6. Step 6: Final answer
    x = 5,041.97

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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.