Home / 11,882.71-16,397.89-6,577.21

Finding the Fourth Proportional to 11,882.71, 16,397.89 and 6,577.21

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Solution

The fourth proportional to 11,882.71, 16,397.89 and 6,577.21 is: 9,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.71 : 16,397.89 = 6,577.21 : x
  2. Step 2: Convert to fraction form
    11,882.71/16,397.89 = 6,577.21/x
  3. Step 3: Cross multiply
    11,882.71x = 16,397.89 × 6,577.21
  4. Step 4: Simplify right side
    11,882.71x = 107,852,366.09
  5. Step 5: Solve for x
    x = 107,852,366.09/11,882.71
  6. Step 6: Final answer
    x = 9,076.41

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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.