Home / 7,650.91-11,472.48-2,972.26

Finding the Fourth Proportional to 7,650.91, 11,472.48 and 2,972.26

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Solution

The fourth proportional to 7,650.91, 11,472.48 and 2,972.26 is: 4,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.91 : 11,472.48 = 2,972.26 : x
  2. Step 2: Convert to fraction form
    7,650.91/11,472.48 = 2,972.26/x
  3. Step 3: Cross multiply
    7,650.91x = 11,472.48 × 2,972.26
  4. Step 4: Simplify right side
    7,650.91x = 34,099,193.40
  5. Step 5: Solve for x
    x = 34,099,193.40/7,650.91
  6. Step 6: Final answer
    x = 4,456.88

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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.