Home / 11,480.47-17,218.98-5,475.03

Finding the Fourth Proportional to 11,480.47, 17,218.98 and 5,475.03

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Solution

The fourth proportional to 11,480.47, 17,218.98 and 5,475.03 is: 8,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.47 : 17,218.98 = 5,475.03 : x
  2. Step 2: Convert to fraction form
    11,480.47/17,218.98 = 5,475.03/x
  3. Step 3: Cross multiply
    11,480.47x = 17,218.98 × 5,475.03
  4. Step 4: Simplify right side
    11,480.47x = 94,274,367.50
  5. Step 5: Solve for x
    x = 94,274,367.50/11,480.47
  6. Step 6: Final answer
    x = 8,211.72

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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.