Home / 7,192.07-9,923.56-4,207.31

Finding the Fourth Proportional to 7,192.07, 9,923.56 and 4,207.31

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Solution

The fourth proportional to 7,192.07, 9,923.56 and 4,207.31 is: 5,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.07 : 9,923.56 = 4,207.31 : x
  2. Step 2: Convert to fraction form
    7,192.07/9,923.56 = 4,207.31/x
  3. Step 3: Cross multiply
    7,192.07x = 9,923.56 × 4,207.31
  4. Step 4: Simplify right side
    7,192.07x = 41,751,493.22
  5. Step 5: Solve for x
    x = 41,751,493.22/7,192.07
  6. Step 6: Final answer
    x = 5,805.21

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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.