Home / 10,245.22-14,137.26-5,769.49

Finding the Fourth Proportional to 10,245.22, 14,137.26 and 5,769.49

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Solution

The fourth proportional to 10,245.22, 14,137.26 and 5,769.49 is: 7,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.22 : 14,137.26 = 5,769.49 : x
  2. Step 2: Convert to fraction form
    10,245.22/14,137.26 = 5,769.49/x
  3. Step 3: Cross multiply
    10,245.22x = 14,137.26 × 5,769.49
  4. Step 4: Simplify right side
    10,245.22x = 81,564,780.20
  5. Step 5: Solve for x
    x = 81,564,780.20/10,245.22
  6. Step 6: Final answer
    x = 7,961.25

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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.