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Finding the Fourth Proportional to 10,194, 14,033.16 and 9,145.68

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Solution

The fourth proportional to 10,194, 14,033.16 and 9,145.68 is: 12,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194 : 14,033.16 = 9,145.68 : x
  2. Step 2: Convert to fraction form
    10,194/14,033.16 = 9,145.68/x
  3. Step 3: Cross multiply
    10,194x = 14,033.16 × 9,145.68
  4. Step 4: Simplify right side
    10,194x = 128,342,790.75
  5. Step 5: Solve for x
    x = 128,342,790.75/10,194
  6. Step 6: Final answer
    x = 12,590.03

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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.