Home / 11,769.12-16,241.82-6,464.10

Finding the Fourth Proportional to 11,769.12, 16,241.82 and 6,464.10

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Solution

The fourth proportional to 11,769.12, 16,241.82 and 6,464.10 is: 8,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.12 : 16,241.82 = 6,464.10 : x
  2. Step 2: Convert to fraction form
    11,769.12/16,241.82 = 6,464.10/x
  3. Step 3: Cross multiply
    11,769.12x = 16,241.82 × 6,464.10
  4. Step 4: Simplify right side
    11,769.12x = 104,988,748.66
  5. Step 5: Solve for x
    x = 104,988,748.66/11,769.12
  6. Step 6: Final answer
    x = 8,920.70

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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.