Home / 7,635.12-11,470.22-5,388.82

Finding the Fourth Proportional to 7,635.12, 11,470.22 and 5,388.82

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Solution

The fourth proportional to 7,635.12, 11,470.22 and 5,388.82 is: 8,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.12 : 11,470.22 = 5,388.82 : x
  2. Step 2: Convert to fraction form
    7,635.12/11,470.22 = 5,388.82/x
  3. Step 3: Cross multiply
    7,635.12x = 11,470.22 × 5,388.82
  4. Step 4: Simplify right side
    7,635.12x = 61,810,950.94
  5. Step 5: Solve for x
    x = 61,810,950.94/7,635.12
  6. Step 6: Final answer
    x = 8,095.61

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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.