Home / 12,175.09-16,801.12-7,395.55

Finding the Fourth Proportional to 12,175.09, 16,801.12 and 7,395.55

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Solution

The fourth proportional to 12,175.09, 16,801.12 and 7,395.55 is: 10,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.09 : 16,801.12 = 7,395.55 : x
  2. Step 2: Convert to fraction form
    12,175.09/16,801.12 = 7,395.55/x
  3. Step 3: Cross multiply
    12,175.09x = 16,801.12 × 7,395.55
  4. Step 4: Simplify right side
    12,175.09x = 124,253,490.26
  5. Step 5: Solve for x
    x = 124,253,490.26/12,175.09
  6. Step 6: Final answer
    x = 10,205.55

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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.