Home / 7,972.90-11,003.03-4,436.03

Finding the Fourth Proportional to 7,972.90, 11,003.03 and 4,436.03

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Solution

The fourth proportional to 7,972.90, 11,003.03 and 4,436.03 is: 6,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.90 : 11,003.03 = 4,436.03 : x
  2. Step 2: Convert to fraction form
    7,972.90/11,003.03 = 4,436.03/x
  3. Step 3: Cross multiply
    7,972.90x = 11,003.03 × 4,436.03
  4. Step 4: Simplify right side
    7,972.90x = 48,809,771.17
  5. Step 5: Solve for x
    x = 48,809,771.17/7,972.90
  6. Step 6: Final answer
    x = 6,121.96

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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.