Home / 7,084.96-10,617.36-5,221.44

Finding the Fourth Proportional to 7,084.96, 10,617.36 and 5,221.44

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Solution

The fourth proportional to 7,084.96, 10,617.36 and 5,221.44 is: 7,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.96 : 10,617.36 = 5,221.44 : x
  2. Step 2: Convert to fraction form
    7,084.96/10,617.36 = 5,221.44/x
  3. Step 3: Cross multiply
    7,084.96x = 10,617.36 × 5,221.44
  4. Step 4: Simplify right side
    7,084.96x = 55,437,908.20
  5. Step 5: Solve for x
    x = 55,437,908.20/7,084.96
  6. Step 6: Final answer
    x = 7,824.73

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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.