Home / 11,428.26-15,770.61-6,460.26

Finding the Fourth Proportional to 11,428.26, 15,770.61 and 6,460.26

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Solution

The fourth proportional to 11,428.26, 15,770.61 and 6,460.26 is: 8,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.26 : 15,770.61 = 6,460.26 : x
  2. Step 2: Convert to fraction form
    11,428.26/15,770.61 = 6,460.26/x
  3. Step 3: Cross multiply
    11,428.26x = 15,770.61 × 6,460.26
  4. Step 4: Simplify right side
    11,428.26x = 101,882,240.96
  5. Step 5: Solve for x
    x = 101,882,240.96/11,428.26
  6. Step 6: Final answer
    x = 8,914.94

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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.