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Finding the Fourth Proportional to 8,775.36, 12,097.44 and 7,263.84

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Solution

The fourth proportional to 8,775.36, 12,097.44 and 7,263.84 is: 10,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.36 : 12,097.44 = 7,263.84 : x
  2. Step 2: Convert to fraction form
    8,775.36/12,097.44 = 7,263.84/x
  3. Step 3: Cross multiply
    8,775.36x = 12,097.44 × 7,263.84
  4. Step 4: Simplify right side
    8,775.36x = 87,873,868.57
  5. Step 5: Solve for x
    x = 87,873,868.57/8,775.36
  6. Step 6: Final answer
    x = 10,013.71

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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.