Home / 8,205.18-11,323.06-4,668.38

Finding the Fourth Proportional to 8,205.18, 11,323.06 and 4,668.38

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Solution

The fourth proportional to 8,205.18, 11,323.06 and 4,668.38 is: 6,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.18 : 11,323.06 = 4,668.38 : x
  2. Step 2: Convert to fraction form
    8,205.18/11,323.06 = 4,668.38/x
  3. Step 3: Cross multiply
    8,205.18x = 11,323.06 × 4,668.38
  4. Step 4: Simplify right side
    8,205.18x = 52,860,346.84
  5. Step 5: Solve for x
    x = 52,860,346.84/8,205.18
  6. Step 6: Final answer
    x = 6,442.31

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Half scale
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Double scale
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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.