Home / 11,175.14-16,748.74-5,629.88

Finding the Fourth Proportional to 11,175.14, 16,748.74 and 5,629.88

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Solution

The fourth proportional to 11,175.14, 16,748.74 and 5,629.88 is: 8,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.14 : 16,748.74 = 5,629.88 : x
  2. Step 2: Convert to fraction form
    11,175.14/16,748.74 = 5,629.88/x
  3. Step 3: Cross multiply
    11,175.14x = 16,748.74 × 5,629.88
  4. Step 4: Simplify right side
    11,175.14x = 94,293,368.20
  5. Step 5: Solve for x
    x = 94,293,368.20/11,175.14
  6. Step 6: Final answer
    x = 8,437.78

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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.