Home / 11,194.07-15,458.19-7,222.01

Finding the Fourth Proportional to 11,194.07, 15,458.19 and 7,222.01

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Solution

The fourth proportional to 11,194.07, 15,458.19 and 7,222.01 is: 9,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.07 : 15,458.19 = 7,222.01 : x
  2. Step 2: Convert to fraction form
    11,194.07/15,458.19 = 7,222.01/x
  3. Step 3: Cross multiply
    11,194.07x = 15,458.19 × 7,222.01
  4. Step 4: Simplify right side
    11,194.07x = 111,639,202.76
  5. Step 5: Solve for x
    x = 111,639,202.76/11,194.07
  6. Step 6: Final answer
    x = 9,973.07

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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.