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Finding the Fourth Proportional to 7,936.32, 10,957.44 and 7,094.32

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Solution

The fourth proportional to 7,936.32, 10,957.44 and 7,094.32 is: 9,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.32 : 10,957.44 = 7,094.32 : x
  2. Step 2: Convert to fraction form
    7,936.32/10,957.44 = 7,094.32/x
  3. Step 3: Cross multiply
    7,936.32x = 10,957.44 × 7,094.32
  4. Step 4: Simplify right side
    7,936.32x = 77,735,585.74
  5. Step 5: Solve for x
    x = 77,735,585.74/7,936.32
  6. Step 6: Final answer
    x = 9,794.92

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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.