Home / 9,174.36-13,727.52-5,478.60

Finding the Fourth Proportional to 9,174.36, 13,727.52 and 5,478.60

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Solution

The fourth proportional to 9,174.36, 13,727.52 and 5,478.60 is: 8,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.36 : 13,727.52 = 5,478.60 : x
  2. Step 2: Convert to fraction form
    9,174.36/13,727.52 = 5,478.60/x
  3. Step 3: Cross multiply
    9,174.36x = 13,727.52 × 5,478.60
  4. Step 4: Simplify right side
    9,174.36x = 75,207,591.07
  5. Step 5: Solve for x
    x = 75,207,591.07/9,174.36
  6. Step 6: Final answer
    x = 8,197.58

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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.