Home / 11,175.96-15,422.82-6,702.30

Finding the Fourth Proportional to 11,175.96, 15,422.82 and 6,702.30

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Solution

The fourth proportional to 11,175.96, 15,422.82 and 6,702.30 is: 9,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.96 : 15,422.82 = 6,702.30 : x
  2. Step 2: Convert to fraction form
    11,175.96/15,422.82 = 6,702.30/x
  3. Step 3: Cross multiply
    11,175.96x = 15,422.82 × 6,702.30
  4. Step 4: Simplify right side
    11,175.96x = 103,368,366.49
  5. Step 5: Solve for x
    x = 103,368,366.49/11,175.96
  6. Step 6: Final answer
    x = 9,249.17

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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.