Home / 8,149.68-11,246.58-4,423.68

Finding the Fourth Proportional to 8,149.68, 11,246.58 and 4,423.68

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Solution

The fourth proportional to 8,149.68, 11,246.58 and 4,423.68 is: 6,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.68 : 11,246.58 = 4,423.68 : x
  2. Step 2: Convert to fraction form
    8,149.68/11,246.58 = 4,423.68/x
  3. Step 3: Cross multiply
    8,149.68x = 11,246.58 × 4,423.68
  4. Step 4: Simplify right side
    8,149.68x = 49,751,271.01
  5. Step 5: Solve for x
    x = 49,751,271.01/8,149.68
  6. Step 6: Final answer
    x = 6,104.69

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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.