Home / 11,880.18-17,824.57-5,560.61

Finding the Fourth Proportional to 11,880.18, 17,824.57 and 5,560.61

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Solution

The fourth proportional to 11,880.18, 17,824.57 and 5,560.61 is: 8,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.18 : 17,824.57 = 5,560.61 : x
  2. Step 2: Convert to fraction form
    11,880.18/17,824.57 = 5,560.61/x
  3. Step 3: Cross multiply
    11,880.18x = 17,824.57 × 5,560.61
  4. Step 4: Simplify right side
    11,880.18x = 99,115,454.38
  5. Step 5: Solve for x
    x = 99,115,454.38/11,880.18
  6. Step 6: Final answer
    x = 8,342.93

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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.