Home / 10,694.05-16,010.70-10,112.20

Finding the Fourth Proportional to 10,694.05, 16,010.70 and 10,112.20

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Solution

The fourth proportional to 10,694.05, 16,010.70 and 10,112.20 is: 15,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.05 : 16,010.70 = 10,112.20 : x
  2. Step 2: Convert to fraction form
    10,694.05/16,010.70 = 10,112.20/x
  3. Step 3: Cross multiply
    10,694.05x = 16,010.70 × 10,112.20
  4. Step 4: Simplify right side
    10,694.05x = 161,903,400.54
  5. Step 5: Solve for x
    x = 161,903,400.54/10,694.05
  6. Step 6: Final answer
    x = 15,139.58

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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.