Home / 11,918.24-17,873.52-4,125.60

Finding the Fourth Proportional to 11,918.24, 17,873.52 and 4,125.60

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Solution

The fourth proportional to 11,918.24, 17,873.52 and 4,125.60 is: 6,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.24 : 17,873.52 = 4,125.60 : x
  2. Step 2: Convert to fraction form
    11,918.24/17,873.52 = 4,125.60/x
  3. Step 3: Cross multiply
    11,918.24x = 17,873.52 × 4,125.60
  4. Step 4: Simplify right side
    11,918.24x = 73,738,994.11
  5. Step 5: Solve for x
    x = 73,738,994.11/11,918.24
  6. Step 6: Final answer
    x = 6,187.07

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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.