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Finding the Fourth Proportional to 8,923.28, 13,356.86 and 6,133.64

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Solution

The fourth proportional to 8,923.28, 13,356.86 and 6,133.64 is: 9,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.28 : 13,356.86 = 6,133.64 : x
  2. Step 2: Convert to fraction form
    8,923.28/13,356.86 = 6,133.64/x
  3. Step 3: Cross multiply
    8,923.28x = 13,356.86 × 6,133.64
  4. Step 4: Simplify right side
    8,923.28x = 81,926,170.77
  5. Step 5: Solve for x
    x = 81,926,170.77/8,923.28
  6. Step 6: Final answer
    x = 9,181.17

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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.