Home / 12,370.06-18,556.44-3,606.40

Finding the Fourth Proportional to 12,370.06, 18,556.44 and 3,606.40

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Solution

The fourth proportional to 12,370.06, 18,556.44 and 3,606.40 is: 5,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.06 : 18,556.44 = 3,606.40 : x
  2. Step 2: Convert to fraction form
    12,370.06/18,556.44 = 3,606.40/x
  3. Step 3: Cross multiply
    12,370.06x = 18,556.44 × 3,606.40
  4. Step 4: Simplify right side
    12,370.06x = 66,921,945.22
  5. Step 5: Solve for x
    x = 66,921,945.22/12,370.06
  6. Step 6: Final answer
    x = 5,409.99

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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.