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Finding the Fourth Proportional to 8,473.62, 11,687.00 and 5,112.93

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Solution

The fourth proportional to 8,473.62, 11,687.00 and 5,112.93 is: 7,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.62 : 11,687.00 = 5,112.93 : x
  2. Step 2: Convert to fraction form
    8,473.62/11,687.00 = 5,112.93/x
  3. Step 3: Cross multiply
    8,473.62x = 11,687.00 × 5,112.93
  4. Step 4: Simplify right side
    8,473.62x = 59,754,794.19
  5. Step 5: Solve for x
    x = 59,754,794.19/8,473.62
  6. Step 6: Final answer
    x = 7,051.86

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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.