Home / 10,722.11-16,086.47-4,803.98

Finding the Fourth Proportional to 10,722.11, 16,086.47 and 4,803.98

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Solution

The fourth proportional to 10,722.11, 16,086.47 and 4,803.98 is: 7,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.11 : 16,086.47 = 4,803.98 : x
  2. Step 2: Convert to fraction form
    10,722.11/16,086.47 = 4,803.98/x
  3. Step 3: Cross multiply
    10,722.11x = 16,086.47 × 4,803.98
  4. Step 4: Simplify right side
    10,722.11x = 77,278,975.70
  5. Step 5: Solve for x
    x = 77,278,975.70/10,722.11
  6. Step 6: Final answer
    x = 7,207.44

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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.