Home / 7,968.54-10,996.12-4,431.67

Finding the Fourth Proportional to 7,968.54, 10,996.12 and 4,431.67

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Solution

The fourth proportional to 7,968.54, 10,996.12 and 4,431.67 is: 6,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.54 : 10,996.12 = 4,431.67 : x
  2. Step 2: Convert to fraction form
    7,968.54/10,996.12 = 4,431.67/x
  3. Step 3: Cross multiply
    7,968.54x = 10,996.12 × 4,431.67
  4. Step 4: Simplify right side
    7,968.54x = 48,731,175.12
  5. Step 5: Solve for x
    x = 48,731,175.12/7,968.54
  6. Step 6: Final answer
    x = 6,115.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.