Home / 10,813.28-16,112.42-9,634.22

Finding the Fourth Proportional to 10,813.28, 16,112.42 and 9,634.22

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Solution

The fourth proportional to 10,813.28, 16,112.42 and 9,634.22 is: 14,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.28 : 16,112.42 = 9,634.22 : x
  2. Step 2: Convert to fraction form
    10,813.28/16,112.42 = 9,634.22/x
  3. Step 3: Cross multiply
    10,813.28x = 16,112.42 × 9,634.22
  4. Step 4: Simplify right side
    10,813.28x = 155,230,542.54
  5. Step 5: Solve for x
    x = 155,230,542.54/10,813.28
  6. Step 6: Final answer
    x = 14,355.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.