Home / 10,532.72-15,785.36-4,285.44

Finding the Fourth Proportional to 10,532.72, 15,785.36 and 4,285.44

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Solution

The fourth proportional to 10,532.72, 15,785.36 and 4,285.44 is: 6,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.72 : 15,785.36 = 4,285.44 : x
  2. Step 2: Convert to fraction form
    10,532.72/15,785.36 = 4,285.44/x
  3. Step 3: Cross multiply
    10,532.72x = 15,785.36 × 4,285.44
  4. Step 4: Simplify right side
    10,532.72x = 67,647,213.16
  5. Step 5: Solve for x
    x = 67,647,213.16/10,532.72
  6. Step 6: Final answer
    x = 6,422.58

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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.