Home / 11,112.15-16,668.22-4,451.67

Finding the Fourth Proportional to 11,112.15, 16,668.22 and 4,451.67

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Solution

The fourth proportional to 11,112.15, 16,668.22 and 4,451.67 is: 6,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.15 : 16,668.22 = 4,451.67 : x
  2. Step 2: Convert to fraction form
    11,112.15/16,668.22 = 4,451.67/x
  3. Step 3: Cross multiply
    11,112.15x = 16,668.22 × 4,451.67
  4. Step 4: Simplify right side
    11,112.15x = 74,201,445.47
  5. Step 5: Solve for x
    x = 74,201,445.47/11,112.15
  6. Step 6: Final answer
    x = 6,677.51

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.