Home / 11,608.61-17,402.19-4,211.28

Finding the Fourth Proportional to 11,608.61, 17,402.19 and 4,211.28

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Solution

The fourth proportional to 11,608.61, 17,402.19 and 4,211.28 is: 6,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.61 : 17,402.19 = 4,211.28 : x
  2. Step 2: Convert to fraction form
    11,608.61/17,402.19 = 4,211.28/x
  3. Step 3: Cross multiply
    11,608.61x = 17,402.19 × 4,211.28
  4. Step 4: Simplify right side
    11,608.61x = 73,285,494.70
  5. Step 5: Solve for x
    x = 73,285,494.70/11,608.61
  6. Step 6: Final answer
    x = 6,313.03

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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.