Home / 7,619.32-11,448.15-4,847.23

Finding the Fourth Proportional to 7,619.32, 11,448.15 and 4,847.23

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Solution

The fourth proportional to 7,619.32, 11,448.15 and 4,847.23 is: 7,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.32 : 11,448.15 = 4,847.23 : x
  2. Step 2: Convert to fraction form
    7,619.32/11,448.15 = 4,847.23/x
  3. Step 3: Cross multiply
    7,619.32x = 11,448.15 × 4,847.23
  4. Step 4: Simplify right side
    7,619.32x = 55,491,816.12
  5. Step 5: Solve for x
    x = 55,491,816.12/7,619.32
  6. Step 6: Final answer
    x = 7,283.04

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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.