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Finding the Fourth Proportional to 11,253, 15,529.08 and 6,216.96

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Solution

The fourth proportional to 11,253, 15,529.08 and 6,216.96 is: 8,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253 : 15,529.08 = 6,216.96 : x
  2. Step 2: Convert to fraction form
    11,253/15,529.08 = 6,216.96/x
  3. Step 3: Cross multiply
    11,253x = 15,529.08 × 6,216.96
  4. Step 4: Simplify right side
    11,253x = 96,543,669.20
  5. Step 5: Solve for x
    x = 96,543,669.20/11,253
  6. Step 6: Final answer
    x = 8,579.37

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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.