Home / 9,176.27-12,663.49-5,197.33

Finding the Fourth Proportional to 9,176.27, 12,663.49 and 5,197.33

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Solution

The fourth proportional to 9,176.27, 12,663.49 and 5,197.33 is: 7,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.27 : 12,663.49 = 5,197.33 : x
  2. Step 2: Convert to fraction form
    9,176.27/12,663.49 = 5,197.33/x
  3. Step 3: Cross multiply
    9,176.27x = 12,663.49 × 5,197.33
  4. Step 4: Simplify right side
    9,176.27x = 65,816,260.17
  5. Step 5: Solve for x
    x = 65,816,260.17/9,176.27
  6. Step 6: Final answer
    x = 7,172.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.