Home / 11,636.50-17,455.05-3,316.65

Finding the Fourth Proportional to 11,636.50, 17,455.05 and 3,316.65

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Solution

The fourth proportional to 11,636.50, 17,455.05 and 3,316.65 is: 4,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.50 : 17,455.05 = 3,316.65 : x
  2. Step 2: Convert to fraction form
    11,636.50/17,455.05 = 3,316.65/x
  3. Step 3: Cross multiply
    11,636.50x = 17,455.05 × 3,316.65
  4. Step 4: Simplify right side
    11,636.50x = 57,892,291.58
  5. Step 5: Solve for x
    x = 57,892,291.58/11,636.50
  6. Step 6: Final answer
    x = 4,975.06

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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.