Home / 11,175.12-16,768.20-5,252.46

Finding the Fourth Proportional to 11,175.12, 16,768.20 and 5,252.46

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Solution

The fourth proportional to 11,175.12, 16,768.20 and 5,252.46 is: 7,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.12 : 16,768.20 = 5,252.46 : x
  2. Step 2: Convert to fraction form
    11,175.12/16,768.20 = 5,252.46/x
  3. Step 3: Cross multiply
    11,175.12x = 16,768.20 × 5,252.46
  4. Step 4: Simplify right side
    11,175.12x = 88,074,299.77
  5. Step 5: Solve for x
    x = 88,074,299.77/11,175.12
  6. Step 6: Final answer
    x = 7,881.28

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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.