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Finding the Fourth Proportional to 9,463.55, 14,122.41 and 8,311.73

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Solution

The fourth proportional to 9,463.55, 14,122.41 and 8,311.73 is: 12,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,463.55 : 14,122.41 = 8,311.73 : x
  2. Step 2: Convert to fraction form
    9,463.55/14,122.41 = 8,311.73/x
  3. Step 3: Cross multiply
    9,463.55x = 14,122.41 × 8,311.73
  4. Step 4: Simplify right side
    9,463.55x = 117,381,557.09
  5. Step 5: Solve for x
    x = 117,381,557.09/9,463.55
  6. Step 6: Final answer
    x = 12,403.55

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Half scale
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Double scale
Find fourth proportional to 9,464.55, 14,123.90 and 8,312.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.