Home / 9,177.48-12,662.58-5,198.04

Finding the Fourth Proportional to 9,177.48, 12,662.58 and 5,198.04

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Solution

The fourth proportional to 9,177.48, 12,662.58 and 5,198.04 is: 7,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.48 : 12,662.58 = 5,198.04 : x
  2. Step 2: Convert to fraction form
    9,177.48/12,662.58 = 5,198.04/x
  3. Step 3: Cross multiply
    9,177.48x = 12,662.58 × 5,198.04
  4. Step 4: Simplify right side
    9,177.48x = 65,820,597.34
  5. Step 5: Solve for x
    x = 65,820,597.34/9,177.48
  6. Step 6: Final answer
    x = 7,171.97

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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.