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Finding the Fourth Proportional to 6,236.63, 9,347.12 and 3,117.50

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Solution

The fourth proportional to 6,236.63, 9,347.12 and 3,117.50 is: 4,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.63 : 9,347.12 = 3,117.50 : x
  2. Step 2: Convert to fraction form
    6,236.63/9,347.12 = 3,117.50/x
  3. Step 3: Cross multiply
    6,236.63x = 9,347.12 × 3,117.50
  4. Step 4: Simplify right side
    6,236.63x = 29,139,584.28
  5. Step 5: Solve for x
    x = 29,139,584.28/6,236.63
  6. Step 6: Final answer
    x = 4,672.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.