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Finding the Fourth Proportional to 11,228.65, 15,495.65 and 6,193.08

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Solution

The fourth proportional to 11,228.65, 15,495.65 and 6,193.08 is: 8,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.65 : 15,495.65 = 6,193.08 : x
  2. Step 2: Convert to fraction form
    11,228.65/15,495.65 = 6,193.08/x
  3. Step 3: Cross multiply
    11,228.65x = 15,495.65 × 6,193.08
  4. Step 4: Simplify right side
    11,228.65x = 95,965,722.62
  5. Step 5: Solve for x
    x = 95,965,722.62/11,228.65
  6. Step 6: Final answer
    x = 8,546.51

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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.