Home / 11,871.27-16,382.43-6,566.16

Finding the Fourth Proportional to 11,871.27, 16,382.43 and 6,566.16

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Solution

The fourth proportional to 11,871.27, 16,382.43 and 6,566.16 is: 9,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.27 : 16,382.43 = 6,566.16 : x
  2. Step 2: Convert to fraction form
    11,871.27/16,382.43 = 6,566.16/x
  3. Step 3: Cross multiply
    11,871.27x = 16,382.43 × 6,566.16
  4. Step 4: Simplify right side
    11,871.27x = 107,569,656.57
  5. Step 5: Solve for x
    x = 107,569,656.57/11,871.27
  6. Step 6: Final answer
    x = 9,061.34

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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.