Home / 11,820.37-17,730.54-3,055.24

Finding the Fourth Proportional to 11,820.37, 17,730.54 and 3,055.24

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Solution

The fourth proportional to 11,820.37, 17,730.54 and 3,055.24 is: 4,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.37 : 17,730.54 = 3,055.24 : x
  2. Step 2: Convert to fraction form
    11,820.37/17,730.54 = 3,055.24/x
  3. Step 3: Cross multiply
    11,820.37x = 17,730.54 × 3,055.24
  4. Step 4: Simplify right side
    11,820.37x = 54,171,055.03
  5. Step 5: Solve for x
    x = 54,171,055.03/11,820.37
  6. Step 6: Final answer
    x = 4,582.86

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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.