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Finding the Fourth Proportional to 8,473.32, 12,710.18 and 8,264.34

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Solution

The fourth proportional to 8,473.32, 12,710.18 and 8,264.34 is: 12,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.32 : 12,710.18 = 8,264.34 : x
  2. Step 2: Convert to fraction form
    8,473.32/12,710.18 = 8,264.34/x
  3. Step 3: Cross multiply
    8,473.32x = 12,710.18 × 8,264.34
  4. Step 4: Simplify right side
    8,473.32x = 105,041,269.64
  5. Step 5: Solve for x
    x = 105,041,269.64/8,473.32
  6. Step 6: Final answer
    x = 12,396.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.