Home / 11,304.36-16,957.80-3,909.48

Finding the Fourth Proportional to 11,304.36, 16,957.80 and 3,909.48

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Solution

The fourth proportional to 11,304.36, 16,957.80 and 3,909.48 is: 5,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304.36 : 16,957.80 = 3,909.48 : x
  2. Step 2: Convert to fraction form
    11,304.36/16,957.80 = 3,909.48/x
  3. Step 3: Cross multiply
    11,304.36x = 16,957.80 × 3,909.48
  4. Step 4: Simplify right side
    11,304.36x = 66,296,179.94
  5. Step 5: Solve for x
    x = 66,296,179.94/11,304.36
  6. Step 6: Final answer
    x = 5,864.66

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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.