Home / 7,968.20-10,996.51-4,611.15

Finding the Fourth Proportional to 7,968.20, 10,996.51 and 4,611.15

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Solution

The fourth proportional to 7,968.20, 10,996.51 and 4,611.15 is: 6,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.20 : 10,996.51 = 4,611.15 : x
  2. Step 2: Convert to fraction form
    7,968.20/10,996.51 = 4,611.15/x
  3. Step 3: Cross multiply
    7,968.20x = 10,996.51 × 4,611.15
  4. Step 4: Simplify right side
    7,968.20x = 50,706,585.13
  5. Step 5: Solve for x
    x = 50,706,585.13/7,968.20
  6. Step 6: Final answer
    x = 6,363.62

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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.