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Finding the Fourth Proportional to 7,394.70, 11,117.64 and 5,943.96

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Solution

The fourth proportional to 7,394.70, 11,117.64 and 5,943.96 is: 8,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.70 : 11,117.64 = 5,943.96 : x
  2. Step 2: Convert to fraction form
    7,394.70/11,117.64 = 5,943.96/x
  3. Step 3: Cross multiply
    7,394.70x = 11,117.64 × 5,943.96
  4. Step 4: Simplify right side
    7,394.70x = 66,082,807.45
  5. Step 5: Solve for x
    x = 66,082,807.45/7,394.70
  6. Step 6: Final answer
    x = 8,936.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.