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Finding the Fourth Proportional to 9,350.84, 12,898.42 and 6,368.01

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Solution

The fourth proportional to 9,350.84, 12,898.42 and 6,368.01 is: 8,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.84 : 12,898.42 = 6,368.01 : x
  2. Step 2: Convert to fraction form
    9,350.84/12,898.42 = 6,368.01/x
  3. Step 3: Cross multiply
    9,350.84x = 12,898.42 × 6,368.01
  4. Step 4: Simplify right side
    9,350.84x = 82,137,235.70
  5. Step 5: Solve for x
    x = 82,137,235.70/9,350.84
  6. Step 6: Final answer
    x = 8,783.95

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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.