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Finding the Fourth Proportional to 8,348.76, 11,494.98 and 6,352.92

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Solution

The fourth proportional to 8,348.76, 11,494.98 and 6,352.92 is: 8,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.76 : 11,494.98 = 6,352.92 : x
  2. Step 2: Convert to fraction form
    8,348.76/11,494.98 = 6,352.92/x
  3. Step 3: Cross multiply
    8,348.76x = 11,494.98 × 6,352.92
  4. Step 4: Simplify right side
    8,348.76x = 73,026,688.34
  5. Step 5: Solve for x
    x = 73,026,688.34/8,348.76
  6. Step 6: Final answer
    x = 8,747.01

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Find fourth proportional to 4,174.38, 5,747.49 and 3,176.46
Half scale
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Double scale
Find fourth proportional to 8,349.76, 11,496.36 and 6,353.92
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.