Home / 11,924.21-16,455.35-6,618.98

Finding the Fourth Proportional to 11,924.21, 16,455.35 and 6,618.98

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Solution

The fourth proportional to 11,924.21, 16,455.35 and 6,618.98 is: 9,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.21 : 16,455.35 = 6,618.98 : x
  2. Step 2: Convert to fraction form
    11,924.21/16,455.35 = 6,618.98/x
  3. Step 3: Cross multiply
    11,924.21x = 16,455.35 × 6,618.98
  4. Step 4: Simplify right side
    11,924.21x = 108,917,690.23
  5. Step 5: Solve for x
    x = 108,917,690.23/11,924.21
  6. Step 6: Final answer
    x = 9,134.16

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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.