Home / 8,272.33-11,415.23-4,687.93

Finding the Fourth Proportional to 8,272.33, 11,415.23 and 4,687.93

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Solution

The fourth proportional to 8,272.33, 11,415.23 and 4,687.93 is: 6,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.33 : 11,415.23 = 4,687.93 : x
  2. Step 2: Convert to fraction form
    8,272.33/11,415.23 = 4,687.93/x
  3. Step 3: Cross multiply
    8,272.33x = 11,415.23 × 4,687.93
  4. Step 4: Simplify right side
    8,272.33x = 53,513,743.37
  5. Step 5: Solve for x
    x = 53,513,743.37/8,272.33
  6. Step 6: Final answer
    x = 6,469.01

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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.