Home / 9,021.24-12,451.73-5,485.59

Finding the Fourth Proportional to 9,021.24, 12,451.73 and 5,485.59

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Solution

The fourth proportional to 9,021.24, 12,451.73 and 5,485.59 is: 7,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.24 : 12,451.73 = 5,485.59 : x
  2. Step 2: Convert to fraction form
    9,021.24/12,451.73 = 5,485.59/x
  3. Step 3: Cross multiply
    9,021.24x = 12,451.73 × 5,485.59
  4. Step 4: Simplify right side
    9,021.24x = 68,305,058.14
  5. Step 5: Solve for x
    x = 68,305,058.14/9,021.24
  6. Step 6: Final answer
    x = 7,571.58

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Double scale
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Similar ratio
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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.