Home / 10,922.54-16,382.21-5,374.40

Finding the Fourth Proportional to 10,922.54, 16,382.21 and 5,374.40

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Solution

The fourth proportional to 10,922.54, 16,382.21 and 5,374.40 is: 8,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.54 : 16,382.21 = 5,374.40 : x
  2. Step 2: Convert to fraction form
    10,922.54/16,382.21 = 5,374.40/x
  3. Step 3: Cross multiply
    10,922.54x = 16,382.21 × 5,374.40
  4. Step 4: Simplify right side
    10,922.54x = 88,044,440.64
  5. Step 5: Solve for x
    x = 88,044,440.64/10,922.54
  6. Step 6: Final answer
    x = 8,060.81

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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.