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Finding the Fourth Proportional to 7,934.24, 11,843.40 and 7,356.03

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Solution

The fourth proportional to 7,934.24, 11,843.40 and 7,356.03 is: 10,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.24 : 11,843.40 = 7,356.03 : x
  2. Step 2: Convert to fraction form
    7,934.24/11,843.40 = 7,356.03/x
  3. Step 3: Cross multiply
    7,934.24x = 11,843.40 × 7,356.03
  4. Step 4: Simplify right side
    7,934.24x = 87,120,405.70
  5. Step 5: Solve for x
    x = 87,120,405.70/7,934.24
  6. Step 6: Final answer
    x = 10,980.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.