Home / 12,167.62-18,284.40-6,625.06

Finding the Fourth Proportional to 12,167.62, 18,284.40 and 6,625.06

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Solution

The fourth proportional to 12,167.62, 18,284.40 and 6,625.06 is: 9,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.62 : 18,284.40 = 6,625.06 : x
  2. Step 2: Convert to fraction form
    12,167.62/18,284.40 = 6,625.06/x
  3. Step 3: Cross multiply
    12,167.62x = 18,284.40 × 6,625.06
  4. Step 4: Simplify right side
    12,167.62x = 121,135,247.06
  5. Step 5: Solve for x
    x = 121,135,247.06/12,167.62
  6. Step 6: Final answer
    x = 9,955.54

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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.