Home / 7,962.44-10,989.27-5,731.70

Finding the Fourth Proportional to 7,962.44, 10,989.27 and 5,731.70

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Solution

The fourth proportional to 7,962.44, 10,989.27 and 5,731.70 is: 7,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.44 : 10,989.27 = 5,731.70 : x
  2. Step 2: Convert to fraction form
    7,962.44/10,989.27 = 5,731.70/x
  3. Step 3: Cross multiply
    7,962.44x = 10,989.27 × 5,731.70
  4. Step 4: Simplify right side
    7,962.44x = 62,987,143.91
  5. Step 5: Solve for x
    x = 62,987,143.91/7,962.44
  6. Step 6: Final answer
    x = 7,910.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.