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Finding the Fourth Proportional to 9,173.82, 13,683.61 and 8,332.94

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Solution

The fourth proportional to 9,173.82, 13,683.61 and 8,332.94 is: 12,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.82 : 13,683.61 = 8,332.94 : x
  2. Step 2: Convert to fraction form
    9,173.82/13,683.61 = 8,332.94/x
  3. Step 3: Cross multiply
    9,173.82x = 13,683.61 × 8,332.94
  4. Step 4: Simplify right side
    9,173.82x = 114,024,745.74
  5. Step 5: Solve for x
    x = 114,024,745.74/9,173.82
  6. Step 6: Final answer
    x = 12,429.36

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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.