Home / 7,561.65-11,338.56-4,442.61

Finding the Fourth Proportional to 7,561.65, 11,338.56 and 4,442.61

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Solution

The fourth proportional to 7,561.65, 11,338.56 and 4,442.61 is: 6,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.65 : 11,338.56 = 4,442.61 : x
  2. Step 2: Convert to fraction form
    7,561.65/11,338.56 = 4,442.61/x
  3. Step 3: Cross multiply
    7,561.65x = 11,338.56 × 4,442.61
  4. Step 4: Simplify right side
    7,561.65x = 50,372,800.04
  5. Step 5: Solve for x
    x = 50,372,800.04/7,561.65
  6. Step 6: Final answer
    x = 6,661.61

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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.