Home / 11,780.88-16,256.48-6,744.03

Finding the Fourth Proportional to 11,780.88, 16,256.48 and 6,744.03

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Solution

The fourth proportional to 11,780.88, 16,256.48 and 6,744.03 is: 9,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.88 : 16,256.48 = 6,744.03 : x
  2. Step 2: Convert to fraction form
    11,780.88/16,256.48 = 6,744.03/x
  3. Step 3: Cross multiply
    11,780.88x = 16,256.48 × 6,744.03
  4. Step 4: Simplify right side
    11,780.88x = 109,634,155.09
  5. Step 5: Solve for x
    x = 109,634,155.09/11,780.88
  6. Step 6: Final answer
    x = 9,306.11

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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.