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Finding the Fourth Proportional to 8,793, 12,134.34 and 4,814.15

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Solution

The fourth proportional to 8,793, 12,134.34 and 4,814.15 is: 6,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793 : 12,134.34 = 4,814.15 : x
  2. Step 2: Convert to fraction form
    8,793/12,134.34 = 4,814.15/x
  3. Step 3: Cross multiply
    8,793x = 12,134.34 × 4,814.15
  4. Step 4: Simplify right side
    8,793x = 58,416,472.24
  5. Step 5: Solve for x
    x = 58,416,472.24/8,793
  6. Step 6: Final answer
    x = 6,643.52

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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.