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Finding the Fourth Proportional to 7,396.96, 10,207.72 and 4,253.16

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Solution

The fourth proportional to 7,396.96, 10,207.72 and 4,253.16 is: 5,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.96 : 10,207.72 = 4,253.16 : x
  2. Step 2: Convert to fraction form
    7,396.96/10,207.72 = 4,253.16/x
  3. Step 3: Cross multiply
    7,396.96x = 10,207.72 × 4,253.16
  4. Step 4: Simplify right side
    7,396.96x = 43,415,066.40
  5. Step 5: Solve for x
    x = 43,415,066.40/7,396.96
  6. Step 6: Final answer
    x = 5,869.31

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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.