Home / 11,542.91-17,315.98-4,145.99

Finding the Fourth Proportional to 11,542.91, 17,315.98 and 4,145.99

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Solution

The fourth proportional to 11,542.91, 17,315.98 and 4,145.99 is: 6,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.91 : 17,315.98 = 4,145.99 : x
  2. Step 2: Convert to fraction form
    11,542.91/17,315.98 = 4,145.99/x
  3. Step 3: Cross multiply
    11,542.91x = 17,315.98 × 4,145.99
  4. Step 4: Simplify right side
    11,542.91x = 71,791,782.98
  5. Step 5: Solve for x
    x = 71,791,782.98/11,542.91
  6. Step 6: Final answer
    x = 6,219.56

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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.