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Finding the Fourth Proportional to 7,950.12, 10,964.98 and 5,292.92

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Solution

The fourth proportional to 7,950.12, 10,964.98 and 5,292.92 is: 7,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.12 : 10,964.98 = 5,292.92 : x
  2. Step 2: Convert to fraction form
    7,950.12/10,964.98 = 5,292.92/x
  3. Step 3: Cross multiply
    7,950.12x = 10,964.98 × 5,292.92
  4. Step 4: Simplify right side
    7,950.12x = 58,036,761.94
  5. Step 5: Solve for x
    x = 58,036,761.94/7,950.12
  6. Step 6: Final answer
    x = 7,300.11

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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.