Home / 12,877.11-19,310.81-5,946.75

Finding the Fourth Proportional to 12,877.11, 19,310.81 and 5,946.75

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Solution

The fourth proportional to 12,877.11, 19,310.81 and 5,946.75 is: 8,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.11 : 19,310.81 = 5,946.75 : x
  2. Step 2: Convert to fraction form
    12,877.11/19,310.81 = 5,946.75/x
  3. Step 3: Cross multiply
    12,877.11x = 19,310.81 × 5,946.75
  4. Step 4: Simplify right side
    12,877.11x = 114,836,529.63
  5. Step 5: Solve for x
    x = 114,836,529.63/12,877.11
  6. Step 6: Final answer
    x = 8,917.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.