Home / 11,951.12-16,497.05-10,265.78

Finding the Fourth Proportional to 11,951.12, 16,497.05 and 10,265.78

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Solution

The fourth proportional to 11,951.12, 16,497.05 and 10,265.78 is: 14,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.12 : 16,497.05 = 10,265.78 : x
  2. Step 2: Convert to fraction form
    11,951.12/16,497.05 = 10,265.78/x
  3. Step 3: Cross multiply
    11,951.12x = 16,497.05 × 10,265.78
  4. Step 4: Simplify right side
    11,951.12x = 169,355,070.37
  5. Step 5: Solve for x
    x = 169,355,070.37/11,951.12
  6. Step 6: Final answer
    x = 14,170.65

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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.