Home / 11,763.99-16,234.74-6,458.76

Finding the Fourth Proportional to 11,763.99, 16,234.74 and 6,458.76

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Solution

The fourth proportional to 11,763.99, 16,234.74 and 6,458.76 is: 8,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.99 : 16,234.74 = 6,458.76 : x
  2. Step 2: Convert to fraction form
    11,763.99/16,234.74 = 6,458.76/x
  3. Step 3: Cross multiply
    11,763.99x = 16,234.74 × 6,458.76
  4. Step 4: Simplify right side
    11,763.99x = 104,856,289.32
  5. Step 5: Solve for x
    x = 104,856,289.32/11,763.99
  6. Step 6: Final answer
    x = 8,913.33

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Half scale
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Double scale
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Similar ratio
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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.