Home / 8,385.88-11,572.44-4,609.12

Finding the Fourth Proportional to 8,385.88, 11,572.44 and 4,609.12

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Solution

The fourth proportional to 8,385.88, 11,572.44 and 4,609.12 is: 6,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.88 : 11,572.44 = 4,609.12 : x
  2. Step 2: Convert to fraction form
    8,385.88/11,572.44 = 4,609.12/x
  3. Step 3: Cross multiply
    8,385.88x = 11,572.44 × 4,609.12
  4. Step 4: Simplify right side
    8,385.88x = 53,338,764.65
  5. Step 5: Solve for x
    x = 53,338,764.65/8,385.88
  6. Step 6: Final answer
    x = 6,360.54

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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.