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Finding the Fourth Proportional to 8,844.94, 12,199.76 and 7,509.46

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Solution

The fourth proportional to 8,844.94, 12,199.76 and 7,509.46 is: 10,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.94 : 12,199.76 = 7,509.46 : x
  2. Step 2: Convert to fraction form
    8,844.94/12,199.76 = 7,509.46/x
  3. Step 3: Cross multiply
    8,844.94x = 12,199.76 × 7,509.46
  4. Step 4: Simplify right side
    8,844.94x = 91,613,609.73
  5. Step 5: Solve for x
    x = 91,613,609.73/8,844.94
  6. Step 6: Final answer
    x = 10,357.74

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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.