Home / 11,876.38-16,389.32-6,571.08

Finding the Fourth Proportional to 11,876.38, 16,389.32 and 6,571.08

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Solution

The fourth proportional to 11,876.38, 16,389.32 and 6,571.08 is: 9,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.38 : 16,389.32 = 6,571.08 : x
  2. Step 2: Convert to fraction form
    11,876.38/16,389.32 = 6,571.08/x
  3. Step 3: Cross multiply
    11,876.38x = 16,389.32 × 6,571.08
  4. Step 4: Simplify right side
    11,876.38x = 107,695,532.87
  5. Step 5: Solve for x
    x = 107,695,532.87/11,876.38
  6. Step 6: Final answer
    x = 9,068.04

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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.