Home / 11,922.18-16,452.36-6,616.68

Finding the Fourth Proportional to 11,922.18, 16,452.36 and 6,616.68

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Solution

The fourth proportional to 11,922.18, 16,452.36 and 6,616.68 is: 9,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.18 : 16,452.36 = 6,616.68 : x
  2. Step 2: Convert to fraction form
    11,922.18/16,452.36 = 6,616.68/x
  3. Step 3: Cross multiply
    11,922.18x = 16,452.36 × 6,616.68
  4. Step 4: Simplify right side
    11,922.18x = 108,860,001.36
  5. Step 5: Solve for x
    x = 108,860,001.36/11,922.18
  6. Step 6: Final answer
    x = 9,130.88

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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.