Home / 11,924-16,450.56-9,199.36

Finding the Fourth Proportional to 11,924, 16,450.56 and 9,199.36

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Solution

The fourth proportional to 11,924, 16,450.56 and 9,199.36 is: 12,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924 : 16,450.56 = 9,199.36 : x
  2. Step 2: Convert to fraction form
    11,924/16,450.56 = 9,199.36/x
  3. Step 3: Cross multiply
    11,924x = 16,450.56 × 9,199.36
  4. Step 4: Simplify right side
    11,924x = 151,334,623.64
  5. Step 5: Solve for x
    x = 151,334,623.64/11,924
  6. Step 6: Final answer
    x = 12,691.60

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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.