Home / 8,928.60-13,382.37-3,082.02

Finding the Fourth Proportional to 8,928.60, 13,382.37 and 3,082.02

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Solution

The fourth proportional to 8,928.60, 13,382.37 and 3,082.02 is: 4,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.60 : 13,382.37 = 3,082.02 : x
  2. Step 2: Convert to fraction form
    8,928.60/13,382.37 = 3,082.02/x
  3. Step 3: Cross multiply
    8,928.60x = 13,382.37 × 3,082.02
  4. Step 4: Simplify right side
    8,928.60x = 41,244,731.99
  5. Step 5: Solve for x
    x = 41,244,731.99/8,928.60
  6. Step 6: Final answer
    x = 4,619.40

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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.