Home / 7,555.61-11,338.58-2,625.21

Finding the Fourth Proportional to 7,555.61, 11,338.58 and 2,625.21

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Solution

The fourth proportional to 7,555.61, 11,338.58 and 2,625.21 is: 3,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.61 : 11,338.58 = 2,625.21 : x
  2. Step 2: Convert to fraction form
    7,555.61/11,338.58 = 2,625.21/x
  3. Step 3: Cross multiply
    7,555.61x = 11,338.58 × 2,625.21
  4. Step 4: Simplify right side
    7,555.61x = 29,766,160.16
  5. Step 5: Solve for x
    x = 29,766,160.16/7,555.61
  6. Step 6: Final answer
    x = 3,939.61

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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.