Home / 11,954.90-16,496.15-6,648.69

Finding the Fourth Proportional to 11,954.90, 16,496.15 and 6,648.69

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Solution

The fourth proportional to 11,954.90, 16,496.15 and 6,648.69 is: 9,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.90 : 16,496.15 = 6,648.69 : x
  2. Step 2: Convert to fraction form
    11,954.90/16,496.15 = 6,648.69/x
  3. Step 3: Cross multiply
    11,954.90x = 16,496.15 × 6,648.69
  4. Step 4: Simplify right side
    11,954.90x = 109,677,754.30
  5. Step 5: Solve for x
    x = 109,677,754.30/11,954.90
  6. Step 6: Final answer
    x = 9,174.30

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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.