Home / 6,981.52-9,633.74-3,837.12

Finding the Fourth Proportional to 6,981.52, 9,633.74 and 3,837.12

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Solution

The fourth proportional to 6,981.52, 9,633.74 and 3,837.12 is: 5,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.52 : 9,633.74 = 3,837.12 : x
  2. Step 2: Convert to fraction form
    6,981.52/9,633.74 = 3,837.12/x
  3. Step 3: Cross multiply
    6,981.52x = 9,633.74 × 3,837.12
  4. Step 4: Simplify right side
    6,981.52x = 36,965,816.43
  5. Step 5: Solve for x
    x = 36,965,816.43/6,981.52
  6. Step 6: Final answer
    x = 5,294.81

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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.