Home / 13,164.06-18,166.36-7,195.73

Finding the Fourth Proportional to 13,164.06, 18,166.36 and 7,195.73

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Solution

The fourth proportional to 13,164.06, 18,166.36 and 7,195.73 is: 9,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.06 : 18,166.36 = 7,195.73 : x
  2. Step 2: Convert to fraction form
    13,164.06/18,166.36 = 7,195.73/x
  3. Step 3: Cross multiply
    13,164.06x = 18,166.36 × 7,195.73
  4. Step 4: Simplify right side
    13,164.06x = 130,720,221.64
  5. Step 5: Solve for x
    x = 130,720,221.64/13,164.06
  6. Step 6: Final answer
    x = 9,930.08

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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.