Home / 7,816.68-11,724.39-3,434.16

Finding the Fourth Proportional to 7,816.68, 11,724.39 and 3,434.16

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Solution

The fourth proportional to 7,816.68, 11,724.39 and 3,434.16 is: 5,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.68 : 11,724.39 = 3,434.16 : x
  2. Step 2: Convert to fraction form
    7,816.68/11,724.39 = 3,434.16/x
  3. Step 3: Cross multiply
    7,816.68x = 11,724.39 × 3,434.16
  4. Step 4: Simplify right side
    7,816.68x = 40,263,431.16
  5. Step 5: Solve for x
    x = 40,263,431.16/7,816.68
  6. Step 6: Final answer
    x = 5,150.96

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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.