Home / 10,489.58-15,729.26-3,732.92

Finding the Fourth Proportional to 10,489.58, 15,729.26 and 3,732.92

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Solution

The fourth proportional to 10,489.58, 15,729.26 and 3,732.92 is: 5,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.58 : 15,729.26 = 3,732.92 : x
  2. Step 2: Convert to fraction form
    10,489.58/15,729.26 = 3,732.92/x
  3. Step 3: Cross multiply
    10,489.58x = 15,729.26 × 3,732.92
  4. Step 4: Simplify right side
    10,489.58x = 58,715,971.93
  5. Step 5: Solve for x
    x = 58,715,971.93/10,489.58
  6. Step 6: Final answer
    x = 5,597.55

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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.