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Finding the Fourth Proportional to 11,193.93, 16,787.13 and 5,643.73

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Solution

The fourth proportional to 11,193.93, 16,787.13 and 5,643.73 is: 8,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.93 : 16,787.13 = 5,643.73 : x
  2. Step 2: Convert to fraction form
    11,193.93/16,787.13 = 5,643.73/x
  3. Step 3: Cross multiply
    11,193.93x = 16,787.13 × 5,643.73
  4. Step 4: Simplify right side
    11,193.93x = 94,742,029.19
  5. Step 5: Solve for x
    x = 94,742,029.19/11,193.93
  6. Step 6: Final answer
    x = 8,463.70

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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.