Home / 11,675.39-16,109.83-6,960.11

Finding the Fourth Proportional to 11,675.39, 16,109.83 and 6,960.11

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Solution

The fourth proportional to 11,675.39, 16,109.83 and 6,960.11 is: 9,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.39 : 16,109.83 = 6,960.11 : x
  2. Step 2: Convert to fraction form
    11,675.39/16,109.83 = 6,960.11/x
  3. Step 3: Cross multiply
    11,675.39x = 16,109.83 × 6,960.11
  4. Step 4: Simplify right side
    11,675.39x = 112,126,188.88
  5. Step 5: Solve for x
    x = 112,126,188.88/11,675.39
  6. Step 6: Final answer
    x = 9,603.64

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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.