Home / 11,742.50-16,205.31-6,965.27

Finding the Fourth Proportional to 11,742.50, 16,205.31 and 6,965.27

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Solution

The fourth proportional to 11,742.50, 16,205.31 and 6,965.27 is: 9,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.50 : 16,205.31 = 6,965.27 : x
  2. Step 2: Convert to fraction form
    11,742.50/16,205.31 = 6,965.27/x
  3. Step 3: Cross multiply
    11,742.50x = 16,205.31 × 6,965.27
  4. Step 4: Simplify right side
    11,742.50x = 112,874,359.58
  5. Step 5: Solve for x
    x = 112,874,359.58/11,742.50
  6. Step 6: Final answer
    x = 9,612.46

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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.