Home / 11,769.48-16,241.79-6,464.28

Finding the Fourth Proportional to 11,769.48, 16,241.79 and 6,464.28

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Solution

The fourth proportional to 11,769.48, 16,241.79 and 6,464.28 is: 8,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.48 : 16,241.79 = 6,464.28 : x
  2. Step 2: Convert to fraction form
    11,769.48/16,241.79 = 6,464.28/x
  3. Step 3: Cross multiply
    11,769.48x = 16,241.79 × 6,464.28
  4. Step 4: Simplify right side
    11,769.48x = 104,991,478.26
  5. Step 5: Solve for x
    x = 104,991,478.26/11,769.48
  6. Step 6: Final answer
    x = 8,920.66

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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.