Home / 7,972.49-11,002.04-4,435.70

Finding the Fourth Proportional to 7,972.49, 11,002.04 and 4,435.70

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Solution

The fourth proportional to 7,972.49, 11,002.04 and 4,435.70 is: 6,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.49 : 11,002.04 = 4,435.70 : x
  2. Step 2: Convert to fraction form
    7,972.49/11,002.04 = 4,435.70/x
  3. Step 3: Cross multiply
    7,972.49x = 11,002.04 × 4,435.70
  4. Step 4: Simplify right side
    7,972.49x = 48,801,768.63
  5. Step 5: Solve for x
    x = 48,801,768.63/7,972.49
  6. Step 6: Final answer
    x = 6,121.27

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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.