Home / 9,177.46-12,668.78-6,197.34

Finding the Fourth Proportional to 9,177.46, 12,668.78 and 6,197.34

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Solution

The fourth proportional to 9,177.46, 12,668.78 and 6,197.34 is: 8,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.46 : 12,668.78 = 6,197.34 : x
  2. Step 2: Convert to fraction form
    9,177.46/12,668.78 = 6,197.34/x
  3. Step 3: Cross multiply
    9,177.46x = 12,668.78 × 6,197.34
  4. Step 4: Simplify right side
    9,177.46x = 78,512,737.05
  5. Step 5: Solve for x
    x = 78,512,737.05/9,177.46
  6. Step 6: Final answer
    x = 8,554.95

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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.