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Finding the Fourth Proportional to 8,773.99, 13,146.40 and 6,171.46

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Solution

The fourth proportional to 8,773.99, 13,146.40 and 6,171.46 is: 9,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.99 : 13,146.40 = 6,171.46 : x
  2. Step 2: Convert to fraction form
    8,773.99/13,146.40 = 6,171.46/x
  3. Step 3: Cross multiply
    8,773.99x = 13,146.40 × 6,171.46
  4. Step 4: Simplify right side
    8,773.99x = 81,132,456.59
  5. Step 5: Solve for x
    x = 81,132,456.59/8,773.99
  6. Step 6: Final answer
    x = 9,246.93

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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.