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Finding the Fourth Proportional to 9,693.28, 14,506.98 and 8,135.02

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Solution

The fourth proportional to 9,693.28, 14,506.98 and 8,135.02 is: 12,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.28 : 14,506.98 = 8,135.02 : x
  2. Step 2: Convert to fraction form
    9,693.28/14,506.98 = 8,135.02/x
  3. Step 3: Cross multiply
    9,693.28x = 14,506.98 × 8,135.02
  4. Step 4: Simplify right side
    9,693.28x = 118,014,572.44
  5. Step 5: Solve for x
    x = 118,014,572.44/9,693.28
  6. Step 6: Final answer
    x = 12,174.89

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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.