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Finding the Fourth Proportional to 7,797.12, 10,751.83 and 5,141.13

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Solution

The fourth proportional to 7,797.12, 10,751.83 and 5,141.13 is: 7,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.12 : 10,751.83 = 5,141.13 : x
  2. Step 2: Convert to fraction form
    7,797.12/10,751.83 = 5,141.13/x
  3. Step 3: Cross multiply
    7,797.12x = 10,751.83 × 5,141.13
  4. Step 4: Simplify right side
    7,797.12x = 55,276,555.77
  5. Step 5: Solve for x
    x = 55,276,555.77/7,797.12
  6. Step 6: Final answer
    x = 7,089.36

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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.