Home / 7,730.82-11,615.22-4,958.64

Finding the Fourth Proportional to 7,730.82, 11,615.22 and 4,958.64

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Solution

The fourth proportional to 7,730.82, 11,615.22 and 4,958.64 is: 7,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.82 : 11,615.22 = 4,958.64 : x
  2. Step 2: Convert to fraction form
    7,730.82/11,615.22 = 4,958.64/x
  3. Step 3: Cross multiply
    7,730.82x = 11,615.22 × 4,958.64
  4. Step 4: Simplify right side
    7,730.82x = 57,595,694.50
  5. Step 5: Solve for x
    x = 57,595,694.50/7,730.82
  6. Step 6: Final answer
    x = 7,450.14

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1.5x scale

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.