Home / 11,668.52-16,105.62-6,635.68

Finding the Fourth Proportional to 11,668.52, 16,105.62 and 6,635.68

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Solution

The fourth proportional to 11,668.52, 16,105.62 and 6,635.68 is: 9,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.52 : 16,105.62 = 6,635.68 : x
  2. Step 2: Convert to fraction form
    11,668.52/16,105.62 = 6,635.68/x
  3. Step 3: Cross multiply
    11,668.52x = 16,105.62 × 6,635.68
  4. Step 4: Simplify right side
    11,668.52x = 106,871,740.52
  5. Step 5: Solve for x
    x = 106,871,740.52/11,668.52
  6. Step 6: Final answer
    x = 9,158.98

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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.