Home / 11,996.51-16,550.70-6,957.90

Finding the Fourth Proportional to 11,996.51, 16,550.70 and 6,957.90

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Solution

The fourth proportional to 11,996.51, 16,550.70 and 6,957.90 is: 9,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.51 : 16,550.70 = 6,957.90 : x
  2. Step 2: Convert to fraction form
    11,996.51/16,550.70 = 6,957.90/x
  3. Step 3: Cross multiply
    11,996.51x = 16,550.70 × 6,957.90
  4. Step 4: Simplify right side
    11,996.51x = 115,158,115.53
  5. Step 5: Solve for x
    x = 115,158,115.53/11,996.51
  6. Step 6: Final answer
    x = 9,599.31

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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.