Home / 11,277.34-16,915.94-8,814.23

Finding the Fourth Proportional to 11,277.34, 16,915.94 and 8,814.23

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Solution

The fourth proportional to 11,277.34, 16,915.94 and 8,814.23 is: 13,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.34 : 16,915.94 = 8,814.23 : x
  2. Step 2: Convert to fraction form
    11,277.34/16,915.94 = 8,814.23/x
  3. Step 3: Cross multiply
    11,277.34x = 16,915.94 × 8,814.23
  4. Step 4: Simplify right side
    11,277.34x = 149,101,048.82
  5. Step 5: Solve for x
    x = 149,101,048.82/11,277.34
  6. Step 6: Final answer
    x = 13,221.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.