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Finding the Fourth Proportional to 8,797.19, 12,137.10 and 5,017.63

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Solution

The fourth proportional to 8,797.19, 12,137.10 and 5,017.63 is: 6,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.19 : 12,137.10 = 5,017.63 : x
  2. Step 2: Convert to fraction form
    8,797.19/12,137.10 = 5,017.63/x
  3. Step 3: Cross multiply
    8,797.19x = 12,137.10 × 5,017.63
  4. Step 4: Simplify right side
    8,797.19x = 60,899,477.07
  5. Step 5: Solve for x
    x = 60,899,477.07/8,797.19
  6. Step 6: Final answer
    x = 6,922.61

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Double scale
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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.