Home / 6,108.86-8,430.26-3,314.36

Finding the Fourth Proportional to 6,108.86, 8,430.26 and 3,314.36

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Solution

The fourth proportional to 6,108.86, 8,430.26 and 3,314.36 is: 4,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.86 : 8,430.26 = 3,314.36 : x
  2. Step 2: Convert to fraction form
    6,108.86/8,430.26 = 3,314.36/x
  3. Step 3: Cross multiply
    6,108.86x = 8,430.26 × 3,314.36
  4. Step 4: Simplify right side
    6,108.86x = 27,940,857.81
  5. Step 5: Solve for x
    x = 27,940,857.81/6,108.86
  6. Step 6: Final answer
    x = 4,573.83

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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.