Home / 10,711.44-16,065.20-2,918.42

Finding the Fourth Proportional to 10,711.44, 16,065.20 and 2,918.42

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Solution

The fourth proportional to 10,711.44, 16,065.20 and 2,918.42 is: 4,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.44 : 16,065.20 = 2,918.42 : x
  2. Step 2: Convert to fraction form
    10,711.44/16,065.20 = 2,918.42/x
  3. Step 3: Cross multiply
    10,711.44x = 16,065.20 × 2,918.42
  4. Step 4: Simplify right side
    10,711.44x = 46,885,000.98
  5. Step 5: Solve for x
    x = 46,885,000.98/10,711.44
  6. Step 6: Final answer
    x = 4,377.10

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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.