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Finding the Fourth Proportional to 11,793.40, 16,242.58 and 8,804.04

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Solution

The fourth proportional to 11,793.40, 16,242.58 and 8,804.04 is: 12,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.40 : 16,242.58 = 8,804.04 : x
  2. Step 2: Convert to fraction form
    11,793.40/16,242.58 = 8,804.04/x
  3. Step 3: Cross multiply
    11,793.40x = 16,242.58 × 8,804.04
  4. Step 4: Simplify right side
    11,793.40x = 143,000,315.96
  5. Step 5: Solve for x
    x = 143,000,315.96/11,793.40
  6. Step 6: Final answer
    x = 12,125.46

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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.