Home / 13,251.59-18,286.82-7,283.26

Finding the Fourth Proportional to 13,251.59, 18,286.82 and 7,283.26

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Solution

The fourth proportional to 13,251.59, 18,286.82 and 7,283.26 is: 10,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.59 : 18,286.82 = 7,283.26 : x
  2. Step 2: Convert to fraction form
    13,251.59/18,286.82 = 7,283.26/x
  3. Step 3: Cross multiply
    13,251.59x = 18,286.82 × 7,283.26
  4. Step 4: Simplify right side
    13,251.59x = 133,187,664.63
  5. Step 5: Solve for x
    x = 133,187,664.63/13,251.59
  6. Step 6: Final answer
    x = 10,050.69

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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.