Home / 11,187.41-16,780.04-3,396.29

Finding the Fourth Proportional to 11,187.41, 16,780.04 and 3,396.29

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Solution

The fourth proportional to 11,187.41, 16,780.04 and 3,396.29 is: 5,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.41 : 16,780.04 = 3,396.29 : x
  2. Step 2: Convert to fraction form
    11,187.41/16,780.04 = 3,396.29/x
  3. Step 3: Cross multiply
    11,187.41x = 16,780.04 × 3,396.29
  4. Step 4: Simplify right side
    11,187.41x = 56,989,865.07
  5. Step 5: Solve for x
    x = 56,989,865.07/11,187.41
  6. Step 6: Final answer
    x = 5,094.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.