Home / 11,979.28-16,546.50-10,097.14

Finding the Fourth Proportional to 11,979.28, 16,546.50 and 10,097.14

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Solution

The fourth proportional to 11,979.28, 16,546.50 and 10,097.14 is: 13,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.28 : 16,546.50 = 10,097.14 : x
  2. Step 2: Convert to fraction form
    11,979.28/16,546.50 = 10,097.14/x
  3. Step 3: Cross multiply
    11,979.28x = 16,546.50 × 10,097.14
  4. Step 4: Simplify right side
    11,979.28x = 167,072,327.01
  5. Step 5: Solve for x
    x = 167,072,327.01/11,979.28
  6. Step 6: Final answer
    x = 13,946.78

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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.