Home / 10,425.59-15,644.52-3,856.35

Finding the Fourth Proportional to 10,425.59, 15,644.52 and 3,856.35

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Solution

The fourth proportional to 10,425.59, 15,644.52 and 3,856.35 is: 5,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.59 : 15,644.52 = 3,856.35 : x
  2. Step 2: Convert to fraction form
    10,425.59/15,644.52 = 3,856.35/x
  3. Step 3: Cross multiply
    10,425.59x = 15,644.52 × 3,856.35
  4. Step 4: Simplify right side
    10,425.59x = 60,330,744.70
  5. Step 5: Solve for x
    x = 60,330,744.70/10,425.59
  6. Step 6: Final answer
    x = 5,786.80

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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.