Home / 11,215.15-16,817.15-6,536.33

Finding the Fourth Proportional to 11,215.15, 16,817.15 and 6,536.33

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Solution

The fourth proportional to 11,215.15, 16,817.15 and 6,536.33 is: 9,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.15 : 16,817.15 = 6,536.33 : x
  2. Step 2: Convert to fraction form
    11,215.15/16,817.15 = 6,536.33/x
  3. Step 3: Cross multiply
    11,215.15x = 16,817.15 × 6,536.33
  4. Step 4: Simplify right side
    11,215.15x = 109,922,442.06
  5. Step 5: Solve for x
    x = 109,922,442.06/11,215.15
  6. Step 6: Final answer
    x = 9,801.25

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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.