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Finding the Fourth Proportional to 12,396.46, 17,104.52 and 7,359.98

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Solution

The fourth proportional to 12,396.46, 17,104.52 and 7,359.98 is: 10,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.46 : 17,104.52 = 7,359.98 : x
  2. Step 2: Convert to fraction form
    12,396.46/17,104.52 = 7,359.98/x
  3. Step 3: Cross multiply
    12,396.46x = 17,104.52 × 7,359.98
  4. Step 4: Simplify right side
    12,396.46x = 125,888,925.11
  5. Step 5: Solve for x
    x = 125,888,925.11/12,396.46
  6. Step 6: Final answer
    x = 10,155.23

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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.