Home / 11,372.76-17,057.28-8,075.88

Finding the Fourth Proportional to 11,372.76, 17,057.28 and 8,075.88

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Solution

The fourth proportional to 11,372.76, 17,057.28 and 8,075.88 is: 12,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.76 : 17,057.28 = 8,075.88 : x
  2. Step 2: Convert to fraction form
    11,372.76/17,057.28 = 8,075.88/x
  3. Step 3: Cross multiply
    11,372.76x = 17,057.28 × 8,075.88
  4. Step 4: Simplify right side
    11,372.76x = 137,752,546.41
  5. Step 5: Solve for x
    x = 137,752,546.41/11,372.76
  6. Step 6: Final answer
    x = 12,112.50

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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.