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Finding the Fourth Proportional to 8,862.04, 12,230.94 and 5,326.84

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Solution

The fourth proportional to 8,862.04, 12,230.94 and 5,326.84 is: 7,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.04 : 12,230.94 = 5,326.84 : x
  2. Step 2: Convert to fraction form
    8,862.04/12,230.94 = 5,326.84/x
  3. Step 3: Cross multiply
    8,862.04x = 12,230.94 × 5,326.84
  4. Step 4: Simplify right side
    8,862.04x = 65,152,260.43
  5. Step 5: Solve for x
    x = 65,152,260.43/8,862.04
  6. Step 6: Final answer
    x = 7,351.84

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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.