Home / 9,150.47-13,725.56-2,910.39

Finding the Fourth Proportional to 9,150.47, 13,725.56 and 2,910.39

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Solution

The fourth proportional to 9,150.47, 13,725.56 and 2,910.39 is: 4,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.47 : 13,725.56 = 2,910.39 : x
  2. Step 2: Convert to fraction form
    9,150.47/13,725.56 = 2,910.39/x
  3. Step 3: Cross multiply
    9,150.47x = 13,725.56 × 2,910.39
  4. Step 4: Simplify right side
    9,150.47x = 39,946,791.32
  5. Step 5: Solve for x
    x = 39,946,791.32/9,150.47
  6. Step 6: Final answer
    x = 4,365.54

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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.