Home / 11,872.70-16,384.76-6,567.56

Finding the Fourth Proportional to 11,872.70, 16,384.76 and 6,567.56

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Solution

The fourth proportional to 11,872.70, 16,384.76 and 6,567.56 is: 9,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.70 : 16,384.76 = 6,567.56 : x
  2. Step 2: Convert to fraction form
    11,872.70/16,384.76 = 6,567.56/x
  3. Step 3: Cross multiply
    11,872.70x = 16,384.76 × 6,567.56
  4. Step 4: Simplify right side
    11,872.70x = 107,607,894.39
  5. Step 5: Solve for x
    x = 107,607,894.39/11,872.70
  6. Step 6: Final answer
    x = 9,063.47

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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.