Home / 11,076.20-16,622.40-7,377.20

Finding the Fourth Proportional to 11,076.20, 16,622.40 and 7,377.20

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Solution

The fourth proportional to 11,076.20, 16,622.40 and 7,377.20 is: 11,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.20 : 16,622.40 = 7,377.20 : x
  2. Step 2: Convert to fraction form
    11,076.20/16,622.40 = 7,377.20/x
  3. Step 3: Cross multiply
    11,076.20x = 16,622.40 × 7,377.20
  4. Step 4: Simplify right side
    11,076.20x = 122,626,769.28
  5. Step 5: Solve for x
    x = 122,626,769.28/11,076.20
  6. Step 6: Final answer
    x = 11,071.19

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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.