Home / 11,711.84-16,161.21-6,675.93

Finding the Fourth Proportional to 11,711.84, 16,161.21 and 6,675.93

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Solution

The fourth proportional to 11,711.84, 16,161.21 and 6,675.93 is: 9,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.84 : 16,161.21 = 6,675.93 : x
  2. Step 2: Convert to fraction form
    11,711.84/16,161.21 = 6,675.93/x
  3. Step 3: Cross multiply
    11,711.84x = 16,161.21 × 6,675.93
  4. Step 4: Simplify right side
    11,711.84x = 107,891,106.68
  5. Step 5: Solve for x
    x = 107,891,106.68/11,711.84
  6. Step 6: Final answer
    x = 9,212.14

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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.