Home / 13,175.97-18,182.64-7,511.04

Finding the Fourth Proportional to 13,175.97, 18,182.64 and 7,511.04

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Solution

The fourth proportional to 13,175.97, 18,182.64 and 7,511.04 is: 10,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.97 : 18,182.64 = 7,511.04 : x
  2. Step 2: Convert to fraction form
    13,175.97/18,182.64 = 7,511.04/x
  3. Step 3: Cross multiply
    13,175.97x = 18,182.64 × 7,511.04
  4. Step 4: Simplify right side
    13,175.97x = 136,570,536.35
  5. Step 5: Solve for x
    x = 136,570,536.35/13,175.97
  6. Step 6: Final answer
    x = 10,365.12

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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.