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Finding the Fourth Proportional to 11,195.64, 15,452.64 and 6,482.52

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Solution

The fourth proportional to 11,195.64, 15,452.64 and 6,482.52 is: 8,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.64 : 15,452.64 = 6,482.52 : x
  2. Step 2: Convert to fraction form
    11,195.64/15,452.64 = 6,482.52/x
  3. Step 3: Cross multiply
    11,195.64x = 15,452.64 × 6,482.52
  4. Step 4: Simplify right side
    11,195.64x = 100,172,047.85
  5. Step 5: Solve for x
    x = 100,172,047.85/11,195.64
  6. Step 6: Final answer
    x = 8,947.42

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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.