Home / 8,161.47-11,271.99-5,504.25

Finding the Fourth Proportional to 8,161.47, 11,271.99 and 5,504.25

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Solution

The fourth proportional to 8,161.47, 11,271.99 and 5,504.25 is: 7,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.47 : 11,271.99 = 5,504.25 : x
  2. Step 2: Convert to fraction form
    8,161.47/11,271.99 = 5,504.25/x
  3. Step 3: Cross multiply
    8,161.47x = 11,271.99 × 5,504.25
  4. Step 4: Simplify right side
    8,161.47x = 62,043,850.96
  5. Step 5: Solve for x
    x = 62,043,850.96/8,161.47
  6. Step 6: Final answer
    x = 7,602.04

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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.