Home / 11,987.94-16,551.08-10,726.82

Finding the Fourth Proportional to 11,987.94, 16,551.08 and 10,726.82

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Solution

The fourth proportional to 11,987.94, 16,551.08 and 10,726.82 is: 14,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.94 : 16,551.08 = 10,726.82 : x
  2. Step 2: Convert to fraction form
    11,987.94/16,551.08 = 10,726.82/x
  3. Step 3: Cross multiply
    11,987.94x = 16,551.08 × 10,726.82
  4. Step 4: Simplify right side
    11,987.94x = 177,540,524.16
  5. Step 5: Solve for x
    x = 177,540,524.16/11,987.94
  6. Step 6: Final answer
    x = 14,809.93

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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.