Home / 7,486.18-11,183.78-5,360.95

Finding the Fourth Proportional to 7,486.18, 11,183.78 and 5,360.95

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Solution

The fourth proportional to 7,486.18, 11,183.78 and 5,360.95 is: 8,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.18 : 11,183.78 = 5,360.95 : x
  2. Step 2: Convert to fraction form
    7,486.18/11,183.78 = 5,360.95/x
  3. Step 3: Cross multiply
    7,486.18x = 11,183.78 × 5,360.95
  4. Step 4: Simplify right side
    7,486.18x = 59,955,685.39
  5. Step 5: Solve for x
    x = 59,955,685.39/7,486.18
  6. Step 6: Final answer
    x = 8,008.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.