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Finding the Fourth Proportional to 7,193.16, 10,719.20 and 6,958.26

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Solution

The fourth proportional to 7,193.16, 10,719.20 and 6,958.26 is: 10,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.16 : 10,719.20 = 6,958.26 : x
  2. Step 2: Convert to fraction form
    7,193.16/10,719.20 = 6,958.26/x
  3. Step 3: Cross multiply
    7,193.16x = 10,719.20 × 6,958.26
  4. Step 4: Simplify right side
    7,193.16x = 74,586,945.80
  5. Step 5: Solve for x
    x = 74,586,945.80/7,193.16
  6. Step 6: Final answer
    x = 10,369.15

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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.