Home / 11,255.14-15,419.45-10,834.60

Finding the Fourth Proportional to 11,255.14, 15,419.45 and 10,834.60

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Solution

The fourth proportional to 11,255.14, 15,419.45 and 10,834.60 is: 14,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.14 : 15,419.45 = 10,834.60 : x
  2. Step 2: Convert to fraction form
    11,255.14/15,419.45 = 10,834.60/x
  3. Step 3: Cross multiply
    11,255.14x = 15,419.45 × 10,834.60
  4. Step 4: Simplify right side
    11,255.14x = 167,063,572.97
  5. Step 5: Solve for x
    x = 167,063,572.97/11,255.14
  6. Step 6: Final answer
    x = 14,843.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.