Home / 9,176.44-12,663.79-5,197.47

Finding the Fourth Proportional to 9,176.44, 12,663.79 and 5,197.47

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Solution

The fourth proportional to 9,176.44, 12,663.79 and 5,197.47 is: 7,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.44 : 12,663.79 = 5,197.47 : x
  2. Step 2: Convert to fraction form
    9,176.44/12,663.79 = 5,197.47/x
  3. Step 3: Cross multiply
    9,176.44x = 12,663.79 × 5,197.47
  4. Step 4: Simplify right side
    9,176.44x = 65,819,668.61
  5. Step 5: Solve for x
    x = 65,819,668.61/9,176.44
  6. Step 6: Final answer
    x = 7,172.68

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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.