Home / 11,583.90-15,977.52-8,175.42

Finding the Fourth Proportional to 11,583.90, 15,977.52 and 8,175.42

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Solution

The fourth proportional to 11,583.90, 15,977.52 and 8,175.42 is: 11,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.90 : 15,977.52 = 8,175.42 : x
  2. Step 2: Convert to fraction form
    11,583.90/15,977.52 = 8,175.42/x
  3. Step 3: Cross multiply
    11,583.90x = 15,977.52 × 8,175.42
  4. Step 4: Simplify right side
    11,583.90x = 130,622,936.56
  5. Step 5: Solve for x
    x = 130,622,936.56/11,583.90
  6. Step 6: Final answer
    x = 11,276.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.