Home / 11,519.87-17,279.19-5,674.50

Finding the Fourth Proportional to 11,519.87, 17,279.19 and 5,674.50

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Solution

The fourth proportional to 11,519.87, 17,279.19 and 5,674.50 is: 8,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.87 : 17,279.19 = 5,674.50 : x
  2. Step 2: Convert to fraction form
    11,519.87/17,279.19 = 5,674.50/x
  3. Step 3: Cross multiply
    11,519.87x = 17,279.19 × 5,674.50
  4. Step 4: Simplify right side
    11,519.87x = 98,050,763.66
  5. Step 5: Solve for x
    x = 98,050,763.66/11,519.87
  6. Step 6: Final answer
    x = 8,511.45

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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.