Home / 12,119.73-16,726.10-6,743.35

Finding the Fourth Proportional to 12,119.73, 16,726.10 and 6,743.35

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Solution

The fourth proportional to 12,119.73, 16,726.10 and 6,743.35 is: 9,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.73 : 16,726.10 = 6,743.35 : x
  2. Step 2: Convert to fraction form
    12,119.73/16,726.10 = 6,743.35/x
  3. Step 3: Cross multiply
    12,119.73x = 16,726.10 × 6,743.35
  4. Step 4: Simplify right side
    12,119.73x = 112,789,933.63
  5. Step 5: Solve for x
    x = 112,789,933.63/12,119.73
  6. Step 6: Final answer
    x = 9,306.31

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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.