Home / 11,620.02-17,429.96-4,224.32

Finding the Fourth Proportional to 11,620.02, 17,429.96 and 4,224.32

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Solution

The fourth proportional to 11,620.02, 17,429.96 and 4,224.32 is: 6,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.02 : 17,429.96 = 4,224.32 : x
  2. Step 2: Convert to fraction form
    11,620.02/17,429.96 = 4,224.32/x
  3. Step 3: Cross multiply
    11,620.02x = 17,429.96 × 4,224.32
  4. Step 4: Simplify right side
    11,620.02x = 73,629,620.36
  5. Step 5: Solve for x
    x = 73,629,620.36/11,620.02
  6. Step 6: Final answer
    x = 6,336.45

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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.