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Finding the Fourth Proportional to 8,794.47, 12,137.04 and 5,805.14

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Solution

The fourth proportional to 8,794.47, 12,137.04 and 5,805.14 is: 8,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.47 : 12,137.04 = 5,805.14 : x
  2. Step 2: Convert to fraction form
    8,794.47/12,137.04 = 5,805.14/x
  3. Step 3: Cross multiply
    8,794.47x = 12,137.04 × 5,805.14
  4. Step 4: Simplify right side
    8,794.47x = 70,457,155.70
  5. Step 5: Solve for x
    x = 70,457,155.70/8,794.47
  6. Step 6: Final answer
    x = 8,011.53

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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.