Home / 10,175.25-15,266.33-6,422.66

Finding the Fourth Proportional to 10,175.25, 15,266.33 and 6,422.66

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Solution

The fourth proportional to 10,175.25, 15,266.33 and 6,422.66 is: 9,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.25 : 15,266.33 = 6,422.66 : x
  2. Step 2: Convert to fraction form
    10,175.25/15,266.33 = 6,422.66/x
  3. Step 3: Cross multiply
    10,175.25x = 15,266.33 × 6,422.66
  4. Step 4: Simplify right side
    10,175.25x = 98,050,447.04
  5. Step 5: Solve for x
    x = 98,050,447.04/10,175.25
  6. Step 6: Final answer
    x = 9,636.17

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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.