Home / 10,522.24-15,785.79-3,126.54

Finding the Fourth Proportional to 10,522.24, 15,785.79 and 3,126.54

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Solution

The fourth proportional to 10,522.24, 15,785.79 and 3,126.54 is: 4,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.24 : 15,785.79 = 3,126.54 : x
  2. Step 2: Convert to fraction form
    10,522.24/15,785.79 = 3,126.54/x
  3. Step 3: Cross multiply
    10,522.24x = 15,785.79 × 3,126.54
  4. Step 4: Simplify right side
    10,522.24x = 49,354,824.94
  5. Step 5: Solve for x
    x = 49,354,824.94/10,522.24
  6. Step 6: Final answer
    x = 4,690.52

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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.