Home / 6,972.95-9,622.49-3,786.14

Finding the Fourth Proportional to 6,972.95, 9,622.49 and 3,786.14

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Solution

The fourth proportional to 6,972.95, 9,622.49 and 3,786.14 is: 5,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.95 : 9,622.49 = 3,786.14 : x
  2. Step 2: Convert to fraction form
    6,972.95/9,622.49 = 3,786.14/x
  3. Step 3: Cross multiply
    6,972.95x = 9,622.49 × 3,786.14
  4. Step 4: Simplify right side
    6,972.95x = 36,432,027.25
  5. Step 5: Solve for x
    x = 36,432,027.25/6,972.95
  6. Step 6: Final answer
    x = 5,224.77

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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.