Home / 10,265.70-15,399.63-3,338.58

Finding the Fourth Proportional to 10,265.70, 15,399.63 and 3,338.58

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Solution

The fourth proportional to 10,265.70, 15,399.63 and 3,338.58 is: 5,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.70 : 15,399.63 = 3,338.58 : x
  2. Step 2: Convert to fraction form
    10,265.70/15,399.63 = 3,338.58/x
  3. Step 3: Cross multiply
    10,265.70x = 15,399.63 × 3,338.58
  4. Step 4: Simplify right side
    10,265.70x = 51,412,896.73
  5. Step 5: Solve for x
    x = 51,412,896.73/10,265.70
  6. Step 6: Final answer
    x = 5,008.22

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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.