Home / 11,453.90-17,175.42-4,437.20

Finding the Fourth Proportional to 11,453.90, 17,175.42 and 4,437.20

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Solution

The fourth proportional to 11,453.90, 17,175.42 and 4,437.20 is: 6,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.90 : 17,175.42 = 4,437.20 : x
  2. Step 2: Convert to fraction form
    11,453.90/17,175.42 = 4,437.20/x
  3. Step 3: Cross multiply
    11,453.90x = 17,175.42 × 4,437.20
  4. Step 4: Simplify right side
    11,453.90x = 76,210,773.62
  5. Step 5: Solve for x
    x = 76,210,773.62/11,453.90
  6. Step 6: Final answer
    x = 6,653.70

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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.