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Finding the Fourth Proportional to 12,275.93, 16,939.47 and 8,241.94

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Solution

The fourth proportional to 12,275.93, 16,939.47 and 8,241.94 is: 11,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.93 : 16,939.47 = 8,241.94 : x
  2. Step 2: Convert to fraction form
    12,275.93/16,939.47 = 8,241.94/x
  3. Step 3: Cross multiply
    12,275.93x = 16,939.47 × 8,241.94
  4. Step 4: Simplify right side
    12,275.93x = 139,614,095.37
  5. Step 5: Solve for x
    x = 139,614,095.37/12,275.93
  6. Step 6: Final answer
    x = 11,373.00

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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.