Home / 11,770.44-16,241.88-6,988.68

Finding the Fourth Proportional to 11,770.44, 16,241.88 and 6,988.68

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Solution

The fourth proportional to 11,770.44, 16,241.88 and 6,988.68 is: 9,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.44 : 16,241.88 = 6,988.68 : x
  2. Step 2: Convert to fraction form
    11,770.44/16,241.88 = 6,988.68/x
  3. Step 3: Cross multiply
    11,770.44x = 16,241.88 × 6,988.68
  4. Step 4: Simplify right side
    11,770.44x = 113,509,301.92
  5. Step 5: Solve for x
    x = 113,509,301.92/11,770.44
  6. Step 6: Final answer
    x = 9,643.59

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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.