Home / 10,561.01-15,819.98-6,105.68

Finding the Fourth Proportional to 10,561.01, 15,819.98 and 6,105.68

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Solution

The fourth proportional to 10,561.01, 15,819.98 and 6,105.68 is: 9,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.01 : 15,819.98 = 6,105.68 : x
  2. Step 2: Convert to fraction form
    10,561.01/15,819.98 = 6,105.68/x
  3. Step 3: Cross multiply
    10,561.01x = 15,819.98 × 6,105.68
  4. Step 4: Simplify right side
    10,561.01x = 96,591,736.70
  5. Step 5: Solve for x
    x = 96,591,736.70/10,561.01
  6. Step 6: Final answer
    x = 9,146.07

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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.