Home / 10,257.74-15,388.65-3,238.83

Finding the Fourth Proportional to 10,257.74, 15,388.65 and 3,238.83

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Solution

The fourth proportional to 10,257.74, 15,388.65 and 3,238.83 is: 4,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.74 : 15,388.65 = 3,238.83 : x
  2. Step 2: Convert to fraction form
    10,257.74/15,388.65 = 3,238.83/x
  3. Step 3: Cross multiply
    10,257.74x = 15,388.65 × 3,238.83
  4. Step 4: Simplify right side
    10,257.74x = 49,841,221.28
  5. Step 5: Solve for x
    x = 49,841,221.28/10,257.74
  6. Step 6: Final answer
    x = 4,858.89

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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.