Home / 10,371.84-15,559.44-4,131.84

Finding the Fourth Proportional to 10,371.84, 15,559.44 and 4,131.84

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Solution

The fourth proportional to 10,371.84, 15,559.44 and 4,131.84 is: 6,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.84 : 15,559.44 = 4,131.84 : x
  2. Step 2: Convert to fraction form
    10,371.84/15,559.44 = 4,131.84/x
  3. Step 3: Cross multiply
    10,371.84x = 15,559.44 × 4,131.84
  4. Step 4: Simplify right side
    10,371.84x = 64,289,116.57
  5. Step 5: Solve for x
    x = 64,289,116.57/10,371.84
  6. Step 6: Final answer
    x = 6,198.43

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1.5x scale

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.