Home / 9,175.06-12,662.40-5,196.43

Finding the Fourth Proportional to 9,175.06, 12,662.40 and 5,196.43

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Solution

The fourth proportional to 9,175.06, 12,662.40 and 5,196.43 is: 7,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.06 : 12,662.40 = 5,196.43 : x
  2. Step 2: Convert to fraction form
    9,175.06/12,662.40 = 5,196.43/x
  3. Step 3: Cross multiply
    9,175.06x = 12,662.40 × 5,196.43
  4. Step 4: Simplify right side
    9,175.06x = 65,799,275.23
  5. Step 5: Solve for x
    x = 65,799,275.23/9,175.06
  6. Step 6: Final answer
    x = 7,171.54

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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.