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Finding the Fourth Proportional to 8,147.58, 11,243.57 and 4,562.57

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Solution

The fourth proportional to 8,147.58, 11,243.57 and 4,562.57 is: 6,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.58 : 11,243.57 = 4,562.57 : x
  2. Step 2: Convert to fraction form
    8,147.58/11,243.57 = 4,562.57/x
  3. Step 3: Cross multiply
    8,147.58x = 11,243.57 × 4,562.57
  4. Step 4: Simplify right side
    8,147.58x = 51,299,575.17
  5. Step 5: Solve for x
    x = 51,299,575.17/8,147.58
  6. Step 6: Final answer
    x = 6,296.30

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Half scale
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Double scale
Find fourth proportional to 8,148.58, 11,244.95 and 4,563.57
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.