Home / 10,188.55-15,279.09-3,523.36

Finding the Fourth Proportional to 10,188.55, 15,279.09 and 3,523.36

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Solution

The fourth proportional to 10,188.55, 15,279.09 and 3,523.36 is: 5,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.55 : 15,279.09 = 3,523.36 : x
  2. Step 2: Convert to fraction form
    10,188.55/15,279.09 = 3,523.36/x
  3. Step 3: Cross multiply
    10,188.55x = 15,279.09 × 3,523.36
  4. Step 4: Simplify right side
    10,188.55x = 53,833,734.54
  5. Step 5: Solve for x
    x = 53,833,734.54/10,188.55
  6. Step 6: Final answer
    x = 5,283.75

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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.