Home / 12,198.01-18,293.40-5,177.93

Finding the Fourth Proportional to 12,198.01, 18,293.40 and 5,177.93

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Solution

The fourth proportional to 12,198.01, 18,293.40 and 5,177.93 is: 7,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.01 : 18,293.40 = 5,177.93 : x
  2. Step 2: Convert to fraction form
    12,198.01/18,293.40 = 5,177.93/x
  3. Step 3: Cross multiply
    12,198.01x = 18,293.40 × 5,177.93
  4. Step 4: Simplify right side
    12,198.01x = 94,721,944.66
  5. Step 5: Solve for x
    x = 94,721,944.66/12,198.01
  6. Step 6: Final answer
    x = 7,765.36

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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.