Home / 11,442.04-15,784.44-7,198.36

Finding the Fourth Proportional to 11,442.04, 15,784.44 and 7,198.36

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Solution

The fourth proportional to 11,442.04, 15,784.44 and 7,198.36 is: 9,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.04 : 15,784.44 = 7,198.36 : x
  2. Step 2: Convert to fraction form
    11,442.04/15,784.44 = 7,198.36/x
  3. Step 3: Cross multiply
    11,442.04x = 15,784.44 × 7,198.36
  4. Step 4: Simplify right side
    11,442.04x = 113,622,081.52
  5. Step 5: Solve for x
    x = 113,622,081.52/11,442.04
  6. Step 6: Final answer
    x = 9,930.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.