Home / 11,769.04-16,241.88-6,464.08

Finding the Fourth Proportional to 11,769.04, 16,241.88 and 6,464.08

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Solution

The fourth proportional to 11,769.04, 16,241.88 and 6,464.08 is: 8,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.04 : 16,241.88 = 6,464.08 : x
  2. Step 2: Convert to fraction form
    11,769.04/16,241.88 = 6,464.08/x
  3. Step 3: Cross multiply
    11,769.04x = 16,241.88 × 6,464.08
  4. Step 4: Simplify right side
    11,769.04x = 104,988,811.67
  5. Step 5: Solve for x
    x = 104,988,811.67/11,769.04
  6. Step 6: Final answer
    x = 8,920.76

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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.