Home / 11,675.79-16,117.11-6,960.39

Finding the Fourth Proportional to 11,675.79, 16,117.11 and 6,960.39

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Solution

The fourth proportional to 11,675.79, 16,117.11 and 6,960.39 is: 9,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.79 : 16,117.11 = 6,960.39 : x
  2. Step 2: Convert to fraction form
    11,675.79/16,117.11 = 6,960.39/x
  3. Step 3: Cross multiply
    11,675.79x = 16,117.11 × 6,960.39
  4. Step 4: Simplify right side
    11,675.79x = 112,181,371.27
  5. Step 5: Solve for x
    x = 112,181,371.27/11,675.79
  6. Step 6: Final answer
    x = 9,608.03

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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.