Home / 10,265.52-15,388.83-4,997.55

Finding the Fourth Proportional to 10,265.52, 15,388.83 and 4,997.55

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Solution

The fourth proportional to 10,265.52, 15,388.83 and 4,997.55 is: 7,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.52 : 15,388.83 = 4,997.55 : x
  2. Step 2: Convert to fraction form
    10,265.52/15,388.83 = 4,997.55/x
  3. Step 3: Cross multiply
    10,265.52x = 15,388.83 × 4,997.55
  4. Step 4: Simplify right side
    10,265.52x = 76,906,447.37
  5. Step 5: Solve for x
    x = 76,906,447.37/10,265.52
  6. Step 6: Final answer
    x = 7,491.72

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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.