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Finding the Fourth Proportional to 12,435.96, 17,167.96 and 9,596.95

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Solution

The fourth proportional to 12,435.96, 17,167.96 and 9,596.95 is: 13,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.96 : 17,167.96 = 9,596.95 : x
  2. Step 2: Convert to fraction form
    12,435.96/17,167.96 = 9,596.95/x
  3. Step 3: Cross multiply
    12,435.96x = 17,167.96 × 9,596.95
  4. Step 4: Simplify right side
    12,435.96x = 164,760,005.74
  5. Step 5: Solve for x
    x = 164,760,005.74/12,435.96
  6. Step 6: Final answer
    x = 13,248.68

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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.