Home / 10,742.30-16,110.67-3,342.95

Finding the Fourth Proportional to 10,742.30, 16,110.67 and 3,342.95

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Solution

The fourth proportional to 10,742.30, 16,110.67 and 3,342.95 is: 5,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.30 : 16,110.67 = 3,342.95 : x
  2. Step 2: Convert to fraction form
    10,742.30/16,110.67 = 3,342.95/x
  3. Step 3: Cross multiply
    10,742.30x = 16,110.67 × 3,342.95
  4. Step 4: Simplify right side
    10,742.30x = 53,857,106.14
  5. Step 5: Solve for x
    x = 53,857,106.14/10,742.30
  6. Step 6: Final answer
    x = 5,013.56

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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.