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Finding the Fourth Proportional to 8,793.85, 12,141.18 and 7,848.02

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Solution

The fourth proportional to 8,793.85, 12,141.18 and 7,848.02 is: 10,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.85 : 12,141.18 = 7,848.02 : x
  2. Step 2: Convert to fraction form
    8,793.85/12,141.18 = 7,848.02/x
  3. Step 3: Cross multiply
    8,793.85x = 12,141.18 × 7,848.02
  4. Step 4: Simplify right side
    8,793.85x = 95,284,184.22
  5. Step 5: Solve for x
    x = 95,284,184.22/8,793.85
  6. Step 6: Final answer
    x = 10,835.32

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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.