Home / 11,555.44-17,336.87-8,012.50

Finding the Fourth Proportional to 11,555.44, 17,336.87 and 8,012.50

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Solution

The fourth proportional to 11,555.44, 17,336.87 and 8,012.50 is: 12,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.44 : 17,336.87 = 8,012.50 : x
  2. Step 2: Convert to fraction form
    11,555.44/17,336.87 = 8,012.50/x
  3. Step 3: Cross multiply
    11,555.44x = 17,336.87 × 8,012.50
  4. Step 4: Simplify right side
    11,555.44x = 138,911,670.88
  5. Step 5: Solve for x
    x = 138,911,670.88/11,555.44
  6. Step 6: Final answer
    x = 12,021.32

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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.