Home / 6,103.69-8,423.09-3,309.19

Finding the Fourth Proportional to 6,103.69, 8,423.09 and 3,309.19

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Solution

The fourth proportional to 6,103.69, 8,423.09 and 3,309.19 is: 4,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.69 : 8,423.09 = 3,309.19 : x
  2. Step 2: Convert to fraction form
    6,103.69/8,423.09 = 3,309.19/x
  3. Step 3: Cross multiply
    6,103.69x = 8,423.09 × 3,309.19
  4. Step 4: Simplify right side
    6,103.69x = 27,873,580.00
  5. Step 5: Solve for x
    x = 27,873,580.00/6,103.69
  6. Step 6: Final answer
    x = 4,566.68

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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.