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Finding the Fourth Proportional to 11,340.94, 15,650.49 and 6,372.94

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Solution

The fourth proportional to 11,340.94, 15,650.49 and 6,372.94 is: 8,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.94 : 15,650.49 = 6,372.94 : x
  2. Step 2: Convert to fraction form
    11,340.94/15,650.49 = 6,372.94/x
  3. Step 3: Cross multiply
    11,340.94x = 15,650.49 × 6,372.94
  4. Step 4: Simplify right side
    11,340.94x = 99,739,618.51
  5. Step 5: Solve for x
    x = 99,739,618.51/11,340.94
  6. Step 6: Final answer
    x = 8,794.65

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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.