Home / 8,782.38-13,173.57-3,588.25

Finding the Fourth Proportional to 8,782.38, 13,173.57 and 3,588.25

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Solution

The fourth proportional to 8,782.38, 13,173.57 and 3,588.25 is: 5,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.38 : 13,173.57 = 3,588.25 : x
  2. Step 2: Convert to fraction form
    8,782.38/13,173.57 = 3,588.25/x
  3. Step 3: Cross multiply
    8,782.38x = 13,173.57 × 3,588.25
  4. Step 4: Simplify right side
    8,782.38x = 47,270,062.55
  5. Step 5: Solve for x
    x = 47,270,062.55/8,782.38
  6. Step 6: Final answer
    x = 5,382.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.