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Finding the Fourth Proportional to 7,958.12, 11,935.64 and 7,562.98

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Solution

The fourth proportional to 7,958.12, 11,935.64 and 7,562.98 is: 11,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.12 : 11,935.64 = 7,562.98 : x
  2. Step 2: Convert to fraction form
    7,958.12/11,935.64 = 7,562.98/x
  3. Step 3: Cross multiply
    7,958.12x = 11,935.64 × 7,562.98
  4. Step 4: Simplify right side
    7,958.12x = 90,268,946.93
  5. Step 5: Solve for x
    x = 90,268,946.93/7,958.12
  6. Step 6: Final answer
    x = 11,343.00

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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.