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Finding the Fourth Proportional to 9,595.63, 13,215.49 and 8,268.85

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Solution

The fourth proportional to 9,595.63, 13,215.49 and 8,268.85 is: 11,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,595.63 : 13,215.49 = 8,268.85 : x
  2. Step 2: Convert to fraction form
    9,595.63/13,215.49 = 8,268.85/x
  3. Step 3: Cross multiply
    9,595.63x = 13,215.49 × 8,268.85
  4. Step 4: Simplify right side
    9,595.63x = 109,276,904.49
  5. Step 5: Solve for x
    x = 109,276,904.49/9,595.63
  6. Step 6: Final answer
    x = 11,388.19

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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.