Home / 7,867.20-11,800.64-2,023.68

Finding the Fourth Proportional to 7,867.20, 11,800.64 and 2,023.68

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Solution

The fourth proportional to 7,867.20, 11,800.64 and 2,023.68 is: 3,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.20 : 11,800.64 = 2,023.68 : x
  2. Step 2: Convert to fraction form
    7,867.20/11,800.64 = 2,023.68/x
  3. Step 3: Cross multiply
    7,867.20x = 11,800.64 × 2,023.68
  4. Step 4: Simplify right side
    7,867.20x = 23,880,719.16
  5. Step 5: Solve for x
    x = 23,880,719.16/7,867.20
  6. Step 6: Final answer
    x = 3,035.48

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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.