Home / 9,148.47-13,683.14-5,391.33

Finding the Fourth Proportional to 9,148.47, 13,683.14 and 5,391.33

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Solution

The fourth proportional to 9,148.47, 13,683.14 and 5,391.33 is: 8,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.47 : 13,683.14 = 5,391.33 : x
  2. Step 2: Convert to fraction form
    9,148.47/13,683.14 = 5,391.33/x
  3. Step 3: Cross multiply
    9,148.47x = 13,683.14 × 5,391.33
  4. Step 4: Simplify right side
    9,148.47x = 73,770,296.22
  5. Step 5: Solve for x
    x = 73,770,296.22/9,148.47
  6. Step 6: Final answer
    x = 8,063.68

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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.