Home / 11,954.12-16,496.46-6,648.90

Finding the Fourth Proportional to 11,954.12, 16,496.46 and 6,648.90

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Solution

The fourth proportional to 11,954.12, 16,496.46 and 6,648.90 is: 9,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.12 : 16,496.46 = 6,648.90 : x
  2. Step 2: Convert to fraction form
    11,954.12/16,496.46 = 6,648.90/x
  3. Step 3: Cross multiply
    11,954.12x = 16,496.46 × 6,648.90
  4. Step 4: Simplify right side
    11,954.12x = 109,683,312.89
  5. Step 5: Solve for x
    x = 109,683,312.89/11,954.12
  6. Step 6: Final answer
    x = 9,175.36

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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.