Home / 11,351.29-15,644.39-9,233.80

Finding the Fourth Proportional to 11,351.29, 15,644.39 and 9,233.80

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Solution

The fourth proportional to 11,351.29, 15,644.39 and 9,233.80 is: 12,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.29 : 15,644.39 = 9,233.80 : x
  2. Step 2: Convert to fraction form
    11,351.29/15,644.39 = 9,233.80/x
  3. Step 3: Cross multiply
    11,351.29x = 15,644.39 × 9,233.80
  4. Step 4: Simplify right side
    11,351.29x = 144,457,135.04
  5. Step 5: Solve for x
    x = 144,457,135.04/11,351.29
  6. Step 6: Final answer
    x = 12,726.06

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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.