Home / 11,780.02-16,257.20-7,306.75

Finding the Fourth Proportional to 11,780.02, 16,257.20 and 7,306.75

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Solution

The fourth proportional to 11,780.02, 16,257.20 and 7,306.75 is: 10,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.02 : 16,257.20 = 7,306.75 : x
  2. Step 2: Convert to fraction form
    11,780.02/16,257.20 = 7,306.75/x
  3. Step 3: Cross multiply
    11,780.02x = 16,257.20 × 7,306.75
  4. Step 4: Simplify right side
    11,780.02x = 118,787,178.28
  5. Step 5: Solve for x
    x = 118,787,178.28/11,780.02
  6. Step 6: Final answer
    x = 10,083.78

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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.