Home / 6,211.86-8,572.41-3,379.26

Finding the Fourth Proportional to 6,211.86, 8,572.41 and 3,379.26

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Solution

The fourth proportional to 6,211.86, 8,572.41 and 3,379.26 is: 4,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.86 : 8,572.41 = 3,379.26 : x
  2. Step 2: Convert to fraction form
    6,211.86/8,572.41 = 3,379.26/x
  3. Step 3: Cross multiply
    6,211.86x = 8,572.41 × 3,379.26
  4. Step 4: Simplify right side
    6,211.86x = 28,968,402.22
  5. Step 5: Solve for x
    x = 28,968,402.22/6,211.86
  6. Step 6: Final answer
    x = 4,663.40

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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.