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Finding the Fourth Proportional to 9,169.49, 12,661.16 and 5,984.97

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Solution

The fourth proportional to 9,169.49, 12,661.16 and 5,984.97 is: 8,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.49 : 12,661.16 = 5,984.97 : x
  2. Step 2: Convert to fraction form
    9,169.49/12,661.16 = 5,984.97/x
  3. Step 3: Cross multiply
    9,169.49x = 12,661.16 × 5,984.97
  4. Step 4: Simplify right side
    9,169.49x = 75,776,632.84
  5. Step 5: Solve for x
    x = 75,776,632.84/9,169.49
  6. Step 6: Final answer
    x = 8,264.00

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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.