Home / 11,668.28-16,101.72-6,363.12

Finding the Fourth Proportional to 11,668.28, 16,101.72 and 6,363.12

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Solution

The fourth proportional to 11,668.28, 16,101.72 and 6,363.12 is: 8,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.28 : 16,101.72 = 6,363.12 : x
  2. Step 2: Convert to fraction form
    11,668.28/16,101.72 = 6,363.12/x
  3. Step 3: Cross multiply
    11,668.28x = 16,101.72 × 6,363.12
  4. Step 4: Simplify right side
    11,668.28x = 102,457,176.57
  5. Step 5: Solve for x
    x = 102,457,176.57/11,668.28
  6. Step 6: Final answer
    x = 8,780.83

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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.