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Finding the Fourth Proportional to 11,334.72, 15,642 and 6,299.04

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Solution

The fourth proportional to 11,334.72, 15,642 and 6,299.04 is: 8,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.72 : 15,642 = 6,299.04 : x
  2. Step 2: Convert to fraction form
    11,334.72/15,642 = 6,299.04/x
  3. Step 3: Cross multiply
    11,334.72x = 15,642 × 6,299.04
  4. Step 4: Simplify right side
    11,334.72x = 98,529,583.68
  5. Step 5: Solve for x
    x = 98,529,583.68/11,334.72
  6. Step 6: Final answer
    x = 8,692.72

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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.