Home / 7,972.06-11,000.94-4,435.18

Finding the Fourth Proportional to 7,972.06, 11,000.94 and 4,435.18

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Solution

The fourth proportional to 7,972.06, 11,000.94 and 4,435.18 is: 6,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.06 : 11,000.94 = 4,435.18 : x
  2. Step 2: Convert to fraction form
    7,972.06/11,000.94 = 4,435.18/x
  3. Step 3: Cross multiply
    7,972.06x = 11,000.94 × 4,435.18
  4. Step 4: Simplify right side
    7,972.06x = 48,791,149.07
  5. Step 5: Solve for x
    x = 48,791,149.07/7,972.06
  6. Step 6: Final answer
    x = 6,120.27

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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.