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Finding the Fourth Proportional to 8,797.83, 12,140.24 and 5,212.16

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Solution

The fourth proportional to 8,797.83, 12,140.24 and 5,212.16 is: 7,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.83 : 12,140.24 = 5,212.16 : x
  2. Step 2: Convert to fraction form
    8,797.83/12,140.24 = 5,212.16/x
  3. Step 3: Cross multiply
    8,797.83x = 12,140.24 × 5,212.16
  4. Step 4: Simplify right side
    8,797.83x = 63,276,832.08
  5. Step 5: Solve for x
    x = 63,276,832.08/8,797.83
  6. Step 6: Final answer
    x = 7,192.33

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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.