Home / 11,903.97-17,853.38-4,877.09

Finding the Fourth Proportional to 11,903.97, 17,853.38 and 4,877.09

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Solution

The fourth proportional to 11,903.97, 17,853.38 and 4,877.09 is: 7,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.97 : 17,853.38 = 4,877.09 : x
  2. Step 2: Convert to fraction form
    11,903.97/17,853.38 = 4,877.09/x
  3. Step 3: Cross multiply
    11,903.97x = 17,853.38 × 4,877.09
  4. Step 4: Simplify right side
    11,903.97x = 87,072,451.80
  5. Step 5: Solve for x
    x = 87,072,451.80/11,903.97
  6. Step 6: Final answer
    x = 7,314.58

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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.