Home / 8,147.09-11,243.52-4,562.39

Finding the Fourth Proportional to 8,147.09, 11,243.52 and 4,562.39

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Solution

The fourth proportional to 8,147.09, 11,243.52 and 4,562.39 is: 6,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.09 : 11,243.52 = 4,562.39 : x
  2. Step 2: Convert to fraction form
    8,147.09/11,243.52 = 4,562.39/x
  3. Step 3: Cross multiply
    8,147.09x = 11,243.52 × 4,562.39
  4. Step 4: Simplify right side
    8,147.09x = 51,297,267.00
  5. Step 5: Solve for x
    x = 51,297,267.00/8,147.09
  6. Step 6: Final answer
    x = 6,296.40

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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.