Home / 10,922.73-15,071.42-6,141.30

Finding the Fourth Proportional to 10,922.73, 15,071.42 and 6,141.30

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Solution

The fourth proportional to 10,922.73, 15,071.42 and 6,141.30 is: 8,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.73 : 15,071.42 = 6,141.30 : x
  2. Step 2: Convert to fraction form
    10,922.73/15,071.42 = 6,141.30/x
  3. Step 3: Cross multiply
    10,922.73x = 15,071.42 × 6,141.30
  4. Step 4: Simplify right side
    10,922.73x = 92,558,080.94
  5. Step 5: Solve for x
    x = 92,558,080.94/10,922.73
  6. Step 6: Final answer
    x = 8,473.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.